chemistry Crossword Puzzles
chemistry crossword 2014-11-06
Across
- of or relating to chemistry or the interactions of substances as studied in chemistry
- gas any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table
- new substances produced in a chemical reaction between reactants
- rapid chemical combination of a substance with oxygen, involving the production of heat and light
- is poisonous an can kill you
- change Substances often undergo changes that make them have a dramatically different appearance even though the chemical composition of the substance remains unchanged
- a substance that takes part in and undergoes change during a reaction
- gas is a substance that is a gas at normal room temperature and pressure, and is contained under pressure, usually in a cylinder
- element that has both metallic and non-metallic properties
- mass the mass of an atom of a chemical element expressed in atomic mass units
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
- a mathematical relationship or rule expressed in symbols
Down
- a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
- is a column of elements in the periodic table of the chemical elements
- is tending to cause corrosion
- (of a reaction or process) accompanied by or requiring the absorption of heat
- a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
- compound A compound which is held together by ionic bonds
- a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity (e.g., iron, gold, silver, copper, and aluminum, and alloys such as brass and steel)
- (of a compound) formed from its constituent elements with a net release of heat
- is the name given to a horizontal row of the periodic table
- any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table
- a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen
24 Clues: is poisonous an can kill you • is tending to cause corrosion • a mathematical relationship or rule expressed in symbols • compound A compound which is held together by ionic bonds • element that has both metallic and non-metallic properties • is the name given to a horizontal row of the periodic table • ...
Chemistry Crossword 2014-11-04
Across
- cloudy mixture that cannot be separated
- solids at a room temperature
- pounded or rolled into sheets
- gas to liquid.
- stands for workplace Hazardous Materials Information System
- liquid to gas
- can be in between metals and non-metals
- an element is defined by the number of protonsit has.
- a substance that reacts with another substance
- most reactive non-metal
- most stable and unreactive
- chemical combination of two or more elements
- characteristics that can be used to describe a substance
Down
- comes from a Greek word Khemeia , meaning juice of plant.
- metal + non metal, high melting point
- when 2 non-metals combine
- cloudy mixture that can be separated.
- anything that has mass occupies space.
- made up of two or more substances combined together
- substance made up of only one type of atom.
- the average mass of an element in atomic mass units.
- mixture of two or more pure substances that looks like one substance
- most reactive, especially in air and water
- a chemical change, which absorbs heat energy
- a new substance produced in a chemical reaction between reactants
25 Clues: liquid to gas • gas to liquid. • most reactive non-metal • when 2 non-metals combine • most stable and unreactive • solids at a room temperature • pounded or rolled into sheets • metal + non metal, high melting point • cloudy mixture that can be separated. • anything that has mass occupies space. • cloudy mixture that cannot be separated • can be in between metals and non-metals • ...
Chemistry Crossword 2014-08-03
Across
- R - NH2
- with double and triple bonds
- Benzene w/ Alcohol
- atom with net electric charge
- CnH2n
- High Stretch Fiber
- Bromine-Bromo , Iodine-______
- Artificial Flavorings
- replacement of an atom group in a compound by another atom
- when added, becomes polymer
- 1,2 in Benzene
- "Silly Puddy"
- Adding Hydrogen
- H2O
- Chloride: PVC
- Cl
- CnH2n + 2
Down
- Property of Ketone
- Super strong plastic
- 1,3 in Benzene
- Negative Ion
- 1,4 in Benzene
- Not Organic
- Teflon
- CH3 - CH2 - CH3
- Property of Naturqal Polymer
- Used in making fiber
- Negative Ion
- without double and triple bonds
- Product of Polysterene
- glyceryl trioleate
- Sollvent
- Removal of Hydrogen
- Made up of Monomers
- Density Polyethylene: LDPE
- Reaction: Occurs in Polymerization
36 Clues: Cl • H2O • CnH2n • Teflon • R - NH2 • Sollvent • CnH2n + 2 • Not Organic • Negative Ion • Negative Ion • "Silly Puddy" • Chloride: PVC • 1,3 in Benzene • 1,4 in Benzene • 1,2 in Benzene • CH3 - CH2 - CH3 • Adding Hydrogen • Property of Ketone • Benzene w/ Alcohol • High Stretch Fiber • glyceryl trioleate • Removal of Hydrogen • Made up of Monomers • Super strong plastic • Used in making fiber • Artificial Flavorings • ...
Chemistry crossword 2013-07-21
Across
- amount of material contained in a body
- is an ion that is negatively charged, and is attracted to the cathode (negative electrode) in electrolysis
- Table/ systematic arrangement of known elements based on increasing atomic number
- smallest estimated value from the device
- German who contributed in the development of the periodic table in 1829
- it a non-metal that behaves like a metal
- measure of the pull of gravity of Earth
- a process of comparing something with a standard (devices) to see how many times as big it is with a standard
- element that is best for conducting heat and electricity
- Gravity/ ratio of the weight of a substance to the weight of equal volume of water
- English man who contributed the Law of Octave in 1865
- property of metals wherein they're able to be drawn to wire or sheets
- Latin name for Ag
- group of the horizontal rows int he periodic table
- the ratio of the mass of a substance per unit volume
Down
- he focused on the chemical properties of the elements and his contribution to the periodic table is superior
- Number/ it is the identity of the element; refers to the # protons and electrons
- Molecular Theory/ this theory stated that when the volume increases the density becomes smaller
- phenomenon wherein a substance can behave as acid or base at the same time
- composition is variable; easily separated
- refers to the hotness or coldness of a substance
- property of metals that can be hammered into thin sheets
- smallest exact digit or line which is taken directly from the instrument or device
- simplest form of substance
- metals/ group of metals where Silver, Gold and copper can be made to coins or jewelries
- is anything that has mass and volume
- group of the vertical rows in the periodic table
- French man who contributed the Helix in 1889
- is an ion, which has a net positive charge, is attracted to the anode (positive electrode) in electrolysis
- consisting of 2 or more elements but in a definite ratio
- substance/ single component; constant composition
31 Clues: Latin name for Ag • simplest form of substance • is anything that has mass and volume • amount of material contained in a body • measure of the pull of gravity of Earth • smallest estimated value from the device • it a non-metal that behaves like a metal • composition is variable; easily separated • French man who contributed the Helix in 1889 • ...
Madein Chemistry 2013-07-24
Across
- gives meaning to the process
- the person who ridiculed Newland
- designated by roman numeral
- amount of space matter occupies
- most abundant isotope
- borderline elements
- smallest estimated value from the device
- element that was used to misplaced by Mendeleev's periodic table
- smallest exact digit line w/c is taken directly from the device
- a pure substance that cannot be broken down into simpler substances by chemical reaction
- anything that mas mass and volume
- a process of comparing something with a standard devices to see how many times as big it is with standard
- He was considered superior during his time
- A substance that will neutralise an acid is called a base.
- numerical value are equal
- ionic compounds composed of anions and cat ions
- chemically bonded number of atoms that are electrically neutral
- A molecule or ion that sticks to the central atom in a complex.
Down
- building block of nucleon
- invented the law of octave
- a positive unit or subatomic particle that has a positive charge
- particle with the same mass as fundamental particle but of opposite charge
- phenomenon wherein a substance can behave as acid or base at the same time
- A mixture of two metals.
- Figures refers to the number of exact digits and one digit w/c is estimated
- any operation involving uncertain digit
- the only particle of the atom responsible for chemical reaction
- amount of matter in a body
- massive part of the atom
- also called as absolute
30 Clues: borderline elements • most abundant isotope • also called as absolute • A mixture of two metals. • massive part of the atom • building block of nucleon • numerical value are equal • invented the law of octave • amount of matter in a body • designated by roman numeral • gives meaning to the process • amount of space matter occupies • the person who ridiculed Newland • ...
Chemistry Fun 2013-09-17
Across
- a force that measures the pull on mass by gravity
- Gaseous state of a substance that is usually solid or liquid
- Simplest form of matter
- Measure of how close a series of measurements are to another
- Indefinite shape but has a definite volume
- A substance produced in the reaction
- Another name for a homogenous mixture
- Substance present at the start of a reaction
- Measure of the space occupied by an object
- Definite shape and volume
- Quantity with both a number and a unit
- Separates a liquid from a solid
Down
- Physical blend of two or more components
- Used to describe a sample with a uniform composition
- How hot or cold an object is
- Substance that contains two or more elements
- Liquid is boiled to produce a vapor
- Basic unit of SI unit for mass
- Indefinite shape and volume
- Measure of how close a measurement is to the true value
20 Clues: Simplest form of matter • Definite shape and volume • Indefinite shape and volume • How hot or cold an object is • Basic unit of SI unit for mass • Separates a liquid from a solid • Liquid is boiled to produce a vapor • A substance produced in the reaction • Another name for a homogenous mixture • Quantity with both a number and a unit • Physical blend of two or more components • ...
Organic Chemistry 2013-09-18
Across
- organic compounds formed by reaction between alcohols and acids
- …… group is the part of an organic molecule responsible for its chemical reactions
- compound that contains only hydrogen and carbon
- hydrocarbon with carbon atoms joined in straight or branched chains
- technique of condensing vapours and returning the condensate to the original system
- process of boiling a liquid, condensing and collecting the vapour
- simplified organic formula with the hydrogen atoms removed
- …… are saturated straight-chained hydrocarbons with single C-C bonds only
- an atom which is attracted to an electron-deficient centre and donates a pair of electrons
- type of formula e.g. CH3CH2CH3
- substance that increases the rate of a reaction without being used up in the process
- molecule composed of 6 carbon atoms joined in a ring, with 1 hydrogen atom attached to each carbon atom
Down
- reaction where a reactant is added to an unsaturated molecule to make a saturated molecule
- molecules with the same molecular formula but with different arrangements of the atoms
- an atom which is attracted to an electron rich centre and accepts a pair of electrons
- organic molecule CH3(CH2)4CH3
- unsaturated hydrocarbons that contain one or more double C-C bonds
- acid consisting of R-COOH, where R is some monovalent functional group
- hydrocarbon containing at least one carbon-to-carbon doulble bonds
- long molecular chain built up from monomer units
- hydrocarbon with only single bonds
- species with an unpaired electron
- organic compound in which the hydroxyl functional group (-OH) is bound to a carbon atom
23 Clues: organic molecule CH3(CH2)4CH3 • type of formula e.g. CH3CH2CH3 • species with an unpaired electron • hydrocarbon with only single bonds • compound that contains only hydrogen and carbon • long molecular chain built up from monomer units • simplified organic formula with the hydrogen atoms removed • organic compounds formed by reaction between alcohols and acids • ...
Chemistry Project 2013-10-18
Across
- / A class of chemical element which have a characteristic shiny appearance and are good conductors of heat and electricity.
- / The solid substance that has dissolve in liquid to form a solution.
- / Toxic metal that can cause learning difficulties in children.
- / A common natural gas that is contain in your fart.
- / A from of calcium carbonate (CaCO3)
- / Atom of the same element which have different numbers of neutrons in their nuclei.
- / Sources of energy and other resources which cannot run out.
- / Substance which increases the rate of a chemical reaction.
- / When liquid changes to gas.
- Cycle / The system by which nitrogen and its compound are interchanged.
- / A substance formed by the chemical combination of two or more elements in fixed proportions.
- / Separating a liquid from a solution.
- Cycle / Natural cycle by which rocks are possibly changed into another type of rock by conditions of temperature and pressure.
- / Semi-metal.
- / A vertical column of the periodic table containing elements with similar properties.
- Fuel / It is form from the buried remains of plants and animals.
- / A chemical reaction in which a compound is made from its elements.
- / A state of matter that has a definite shape.
- / Materials we get from the environment to meet our needs.
- / _________ is the process in which plants take in C02 and convert it to sugar.
- / Our favorite food ;)
- / The ________ is measured by a thermometer.
- / U.
- - Metal / A class of chemical element that are typically poor conductors of heat and electricity.
- / H20
- / A horizontal row of the periodic table.
- / First element in the periodic table.
- / The separation of a solid from a liquid, using a fine filter paper which does not allow the solid to pass through.
- / Water is a type of this state of matter.
- / NH3
- / Substance that can be used as a source of energy.
- / Changes of physical state from liquid to solid.
Down
- / Anything which occupies space and has mass.
- / Changes of physical state from solid to liquid.
- / Most reactive group of non-metals.
- / Seawater is made drinkable by ________.
- / Harmful effect of human activity and waste.
- Rain / Rain which has been made more acidic than normal.
- / The liquid that dissolves the solid solute to form a solution.
- / Paper ________ was used to separate solutions of coloured substance.
- / Creator of the periodic table.
- / A type of chemical reaction where a compound breaks down into simpler substances.
- / Liquéfaction.
- / A word used to describe the property that metals that can be drawn out and stretched into wires.
- Dioxide / Composes 0.04% of the atmosphere.
- / Type of rock that cover three - quarters of the land surface.
- / A subatomic particle that is located in energy levels outside the nucleus.
- / Source of life.
- / Zr.
- / A direct change of state from solid to gas or gas to solid.
- / A substance which can't be further divided into simpler substances like chemical methods.
- / Type of rock form by heat and pressure changing existing rocks.
- / A process in which heat energy is produced and released to the surrounding.
- / P.
- / Composes 21% of the atmosphere.
- / A word used to describe the property that metals can be bend and beaten into sheets.
- / Mixtures of elements design to have the properties useful for a particular purpose.
- / Xe
- / Type of rock form by solidification of melted minerals.
- / A state of matter that doesn't have a fix volume.
60 Clues: / U. • / P. • / Xe • / Zr. • / H20 • / NH3 • / Semi-metal. • / Liquéfaction. • / Source of life. • / Our favorite food ;) • / When liquid changes to gas. • / Creator of the periodic table. • / Composes 21% of the atmosphere. • / Most reactive group of non-metals. • / A from of calcium carbonate (CaCO3) • / Separating a liquid from a solution. • / First element in the periodic table. • ...
Chemistry Crossword 2013-10-06
Across
- A law stating that at constant temperature the volume of gas is inversely proportional to the pressure.
- Refers to the weight in grams of a substance or solution which supply one reacting unit
- Reactions in which transfer of electrons takes place.
- A homogenous mixture of two or more substances where
- The one in the greater quantity
- Also called synthesis. The reaction in which two or more substance combine
- Reaction in which single substance break down into two or more substance.
- A chemical reaction that absorbs heat.
- determined by the number of electrons the atom will lose, gain, or share
- A device used for temperature measurements.
- Indicator that detects Acid, Base or Neutral
- it is the smallest exact value
- A flask that is very accurate for volume measurement..
- Having the characteristics of an acid and a base.
Down
- Refers to the #- g. equivalent weight per liter.
- The other in less quantity
- These are liquids which can’t be separated, they co-distill one another.
- This is the process of separating liquid mixtures.
- It is the strength of the solution.
- This is the process of separating colors.
- A law stating that matter can neither be created nor destroyed but can be converted from one form to another.
- Refers to the number of moles of solute per kg. of solution
- Reaction that do not involve any change in valence or oxidation state
- Process in which a solid becomes a gas.
- A Change that alters the composition of a substance.
- A physical property of solution that depends quantitatively upon the number of particles of solute present in a solution
- A chemical reaction that release heat at the time of their occurrence
- A type of flame that has an incomplete combustion.
- it is the smallest estimated value
- refers to the Number of mole of solute per liter.
30 Clues: The other in less quantity • it is the smallest exact value • The one in the greater quantity • it is the smallest estimated value • It is the strength of the solution. • A chemical reaction that absorbs heat. • Process in which a solid becomes a gas. • This is the process of separating colors. • A device used for temperature measurements. • ...
chemistry vocabulary 2013-10-10
Across
- any of the gases in group O (18) of the periodic table
- samples of a pure compound always contain the same elements
- a table of chemical elements arranged in order of atomic number
- an elementary particle that is a fundamental constituent of matter
- the integer number nearest in value to the atomic weight of an atom and equal to the number of nucleons
- molecules composed only of two metals
- any element in group 2 of the periodic table
- a positively charged ion
- any element in group 17 of the periodic table
- an ionic species having a negative charge
Down
- an ionic bond is a chemical link between two atoms caused by an electrostatic force
- theory that matter consists of of invisible particles called atoms
- any of two or more forms of a chemical element
- a fundamental group of atoms in a molecule serving as a base
- a positively charged elementary that is a fundamental constituent of all atomic nuclei
- an element whose properties are intermediate between metals and solid non metals
- a representation of a substance using symbols for its constituent elements
- any of the elements in group ia 1 of the periodic table
- the number of positive charges of protons in the nucleus of an atom of a given element
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
- any of the set of metallic elements in groups 4-12 of the periodic table
21 Clues: a positively charged ion • molecules composed only of two metals • an ionic species having a negative charge • any element in group 2 of the periodic table • any element in group 17 of the periodic table • any of two or more forms of a chemical element • any of the gases in group O (18) of the periodic table • any of the elements in group ia 1 of the periodic table • ...
Chemistry Vocabulary 2015-06-15
Across
- A compound that taste sour, corrodes metals and tissue, and turns blue litmus paper red
- A group of letters and subscript numbers that represent the make-up of a chemical compound
- A change in matter that produces new substances with new properties
- A compound that taste bitter, has a slippery texture, corrodes tissue, and turns red litmus paper blue
- A type of chemical reaction in which the metal ions of two different compounds exchange places
- An equation that uses chemical symbols to represent reactants and products in a chemical reaction
- Non-toxic base that is used to neutralize stomach acid; relieves the pain of excess stomach acid (acid reflux or heartburn)
- A substance that changes colour when added to an acid or a base
- A type of reaction in which one compound breaks down into two or more simpler compounds or elements
Down
- A type of chemical reaction in which one element takes the place of another element in a compound
- Represents a chemical reaction using coefficients (numbers in front of the reactants and products) that tell you how much of the reactants are used and how much of the products are made
- Substances that react together in a chemical reaction
- New substances produced in a chemical reaction
- A chemical reaction in which two or more reactants combine to produce a new product
- An atom or a group of atoms that has an electrical charge, either positive or negative
- A scale from 0 to 14 that describes how acidic or basic a substance is
- Reduced in concentration be being mixed with a liquid, such as water
- of mass During a chemical reaction. The total mass and number of atoms of the reactants equal to total mass and number of atoms of the products
- A chemical reaction between an acid and a base that “neutralizes” their acidic and basic properties
- Uses words instead of chemical formulas to describe what happens to reactants and products during a chemical reaction
20 Clues: New substances produced in a chemical reaction • Substances that react together in a chemical reaction • A substance that changes colour when added to an acid or a base • A change in matter that produces new substances with new properties • Reduced in concentration be being mixed with a liquid, such as water • ...
Chemistry Vocabulary 2015-06-16
Across
- A compound that taste sour, corrodes metals and tissue, and turns blue litmus paper red
- Substances that react together in a chemical reaction
- A compound that taste bitter, has a slippery texture, corrodes tissue, and turns red litmus paper blue
- A scale from 0 to 14 that describes how acidic or basic a substance is
- A type of chemical reaction in which the metal ions of two different compounds exchange places
- An atom or a group of atoms that has an electrical charge, either positive or negative
- A chemical reaction in which two or more reactants combine to produce a new product
- New substances produced in a chemical reaction
- A group of letters and subscript numbers that represent the make-up of a chemical compound
- Uses words instead of chemical formulas to describe what happens to reactants and products during a chemical reaction
- A change in matter that produces new substances with new properties
Down
- A type of chemical reaction in which one element takes the place of another element in a compound
- A substance that changes colour when added to an acid or a base
- A type of reaction in which one compound breaks down into two or more simpler compounds or elements
- Represents a chemical reaction using coefficients (numbers in front of the reactants and products) that tell you how much of the reactants are used and how much of the products are made
- During a chemical reaction. The total mass and number of atoms of the reactants equal to total mass and number of atoms of the products
- An equation that uses chemical symbols to represent reactants and products in a chemical reaction
- A chemical reaction between an acid and a base that “neutralizes” their acidic and basic properties
- Reduced in concentration be being mixed with a liquid, such as water
- Non-toxic base that is used to neutralize stomach acid; relieves the pain of excess stomach acid (acid reflux or heartburn)
20 Clues: New substances produced in a chemical reaction • Substances that react together in a chemical reaction • A substance that changes colour when added to an acid or a base • A change in matter that produces new substances with new properties • Reduced in concentration be being mixed with a liquid, such as water • ...
Chemistry Matters! 2015-08-31
Across
- Physical properties can be observed or measured without changing the composition of matter.
- Digits that carry meaning. Critical when reporting scientific data because they give the reader an idea of how well you could actually measure/report your data.
- A conclusion reached on the basis of evidence and reasoning.
- Information or data that describes color, odor, shape, or some other physical characteristic
- Properties that do not depend on the amount of the matter present.
- A level of individual particles that make up matter can be observed.
- A mixture in which the uneven texture of the material can be detected.
- Refers to the closeness of the measurements to the correct accepted value
- Pure substances composed of two or more different elements held together by chemical bonds.
- The action or process of noticing something or someone carefully or in order to gain information.
- A property used to characterize materials in reactions that change their identity.
- Very small pieces of solid are spread through a liquid but do not dissolve
Down
- Has no definite shape or volume. Can expand to fill the container they are in and can be compressed.
- A mixture that consists of two or more substances in the same phase. They are often called solutions.
- Have definite volume but take the shape of the container. The particles move just fast enough to overcome some of the attraction between each other.
- The way that scientists easily handle very large numbers or very small numbers.
- This information is shown numerically. Often used to show data involving temperature, pressure, volume, and quantity of chemical formed.
- Composed of one type of atom
- This is an intrinsic property that is measured g/mL.
- Characteristics of properties observed by unaided human senses.
- The smallest particle of an element that retains the characteristic chemical properties of that element.
- Expressed as a percentage the difference between an approximate or measured value and an exact or known value.
- Properties that do depend on the amount of matter present.
- Refers to the closeness of a set of measurements to the correct accepted value of the quantity measured.
- Has definite shape and volume. The particles vibrate because they do not move fast enough to vibrate.
- A homogeneous mixture composed of only one phase.In such a mixture, this is a substance dissolved in another substance.
- A substance in which one substance of microscopically dispersed insoluble particles is suspended throughout another substance.
- Forms when temperature of a gas is extremely high and its particles are positively and negatively charged. It conducts electric current and are affected by magnetic fields.
28 Clues: Composed of one type of atom • This is an intrinsic property that is measured g/mL. • Properties that do depend on the amount of matter present. • A conclusion reached on the basis of evidence and reasoning. • Characteristics of properties observed by unaided human senses. • Properties that do not depend on the amount of the matter present. • ...
Bio- chemistry 2015-09-21
Across
- molecule that can be bonded, from a polymer.
- protein- movement such as proteins, help control contractions.
- protein amount of sugar that's in the blood.
- reaction- transformation of one molecule to another molecule.
- release of heat.
- a very large number of atoms and protein.
- absorption of heat.
- large numbers of similar units bonded together.
- bonding- attraction between to atoms.
- protein- support of connective tissue(finger nails)
- acid- DNA OR RNA.
- process of breaking food down.
- organic compounds consit of larger molecules( hair and nails)
Down
- protein- parts of the body to be used by cells in cellular respiration.
- acid
- living organism to maintain life.
- large group of organic compounds occurring in foods.
- energy- quantity of energy that the reacting species must posses.
- protein- protein that breaks down food into digestive.
- unit of nucleic acid.
- acids- organic compound containing carboxyl.
- substance produced by a living organisms that acts like a biochemical.
- molecule that decreases its activity.
- class of organic compounds that are fatty acids.
24 Clues: acid • release of heat. • acid- DNA OR RNA. • absorption of heat. • unit of nucleic acid. • process of breaking food down. • living organism to maintain life. • molecule that decreases its activity. • bonding- attraction between to atoms. • a very large number of atoms and protein. • molecule that can be bonded, from a polymer. • protein amount of sugar that's in the blood. • ...
Chemistry crossword 2015-11-17
Across
- Vertical column of elements in the periodic table
- Neutral particle in a nucleus of an atom
- Hydrogen Symbol
- An experiment in which is one or more products of a chemical reaction can escape
- A reaction that takes place when two or more substances form new substances
- Dull, Brittle element that does not conduct electricity.
- Change that results when two or more substances react to create a different substance or substances
- Smallest part of a element
- something that resists electricity
- Invisible negatively charged particle that orbits the neclues of an atom
- Water's chemical formula
- Change of state from liquid to solid
- Gold Symbol
- The most reactive element
- Group 1 elements in the periodic table. Not including oxygen
Down
- Combining of pure substance
- reaction Chemical reaction that absorbs energy
- A compound made from a non-metal and a non-metal
- Change of state from solid to liquid
- orbit of electrons around the nucleus of an atom
- Number of protons in a nucleus
- Slow chemical change that occurs when oxygen in the air reacts with metal
- Gases least reactive non metal
- Gas, Solid and Liquid
- Potassium Symbol
25 Clues: Gold Symbol • Hydrogen Symbol • Potassium Symbol • Gas, Solid and Liquid • Water's chemical formula • The most reactive element • Smallest part of a element • Combining of pure substance • Number of protons in a nucleus • Gases least reactive non metal • something that resists electricity • Change of state from solid to liquid • Change of state from liquid to solid • ...
Chemistry Crossword 2015-11-17
Across
- An attribute, quality, or characteristic of something
- A scientific theory which states that matter is composed of discrete units called atoms
- When two or more substances react to form a new substance,the new substance has different properties
- Created my the gain or loss of electrons
- The number of protons and electrons in the element
- A table in which elements are organized by their physical and chemical properties
- Carries a negative charge
- A substances that is only made up of one type of Atom
- When a material changes state, or appearance, but doesn't change its composition
- Workplace Hazardous Material Information System
- Substance that is produced in the reaction
- Substances that start a chemical reaction
Down
- The average mass of an element,also known as the atomic mass unit
- The release of heat
- Smallest part of an element, that contains protons,neutron,being held together by the neutron,with electrons orbiting around.
- A formula that identifies the element in a compound and the amount in each element
- Made up of protons and neutrons
- The absorption of Heat
- A law that explains that matter cannot be created nor destroyed
- Carries no charge
- A pure substance formed when 1 metal and 1 non-metal combine
- Carries a positive charge
- When 2 or more elements combine
- When 2 non-metals combine and create a pure substance
- Anything that has mass or occupies space
25 Clues: Carries no charge • The release of heat • The absorption of Heat • Carries a negative charge • Carries a positive charge • Made up of protons and neutrons • When 2 or more elements combine • Created my the gain or loss of electrons • Anything that has mass or occupies space • Substances that start a chemical reaction • Substance that is produced in the reaction • ...
Chemistry Crossword 2015-11-17
Across
- Pure substance formed when at least one metal and one non-metal combine.
- The smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons.
- Group 18 elements in the periodic table; the most stable and unreactive elements.
- New substance produced in a chemical reaction between reactants.
- Chemical reaction that absorbs energy; example cold pack.
- Pure substance formed when non-metals combine.
- A pure substance that cannot be broken down into other substances; the substance is made up of only one type of atom.
- Metals Group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals.
- Number of protons in the nucleus of one atom of an element.
- Group of atoms acting as one (for example, carbonate or CO32-).
Down
- Principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants.
- Substance that helps a chemical reaction to proceed more quickly.
- Description of a solid that can be stretched into a long wire.
- Change that results when two or more substances react to create a different substance or substances and the new substances have completely different properties from the original ones.
- Change in the appearance or state of a substance that does not change the composition.
- Chemical reaction that releases energy; example fire.
- A reaction that takes place when two or more substances react to form new substances.
- Mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in amu.
- Anything that has mass and occupies space.
- Description of a substance that can be pounded or rolled into sheets.
- Ability of a substance to conduct electricity or heat.
- Substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties.
- Group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals.
- Group 17 elements in the periodic table; the most reactive non-metals.
- Atom that has become electrically charged because it has lost or gained electrons.
25 Clues: Anything that has mass and occupies space. • Pure substance formed when non-metals combine. • Chemical reaction that releases energy; example fire. • Ability of a substance to conduct electricity or heat. • Chemical reaction that absorbs energy; example cold pack. • Number of protons in the nucleus of one atom of an element. • ...
chemistry crossword 2015-11-17
Across
- They are used to describe matter, like colour or conductivity
- Substance that reacts with another substance in a chemical reaction to create new substances with different propeties
- A table in which elements are organized by their physical and chemical properties
- Number of protons in the nucleus of one atom of an element
- States that mass cannot be created or destroyed
- Chemical reaction that absorbs energy
- Pure substance formed when at least one metal and one non-metal combine
- A positively charged particle
- Slow chemical change that occurs when oxygen in the air reacts with a metal
- Occurs when a material changes from one state o another
- Matter which has a specific composition and specific properties / every pure element
- Horizontal row of elements in the periodic table
Down
- Chemical reaction that releases energy
- Vertical column of elements in the periodic table
- Pure substance formed when non-metals combine
- New substance produced in a chemical reaction between reactants
- Mass of one atom of an element
- Pure substance that cannot be broken down into other substances
- Anything that has mass and takes up space
- The most reactive non-metals
- Occurs when two or more materials react and create new materials
- Elements that have both metallic and non-metallic properties
- A system of easy-to-use warning symbols on hazardous materials
- Chemical reaction that occurs when oxygen reacts with a substance to form a new energy and give off energy
24 Clues: The most reactive non-metals • A positively charged particle • Mass of one atom of an element • Chemical reaction that absorbs energy • Chemical reaction that releases energy • Anything that has mass and takes up space • Pure substance formed when non-metals combine • States that mass cannot be created or destroyed • Horizontal row of elements in the periodic table • ...
chemistry crossword 2015-11-17
Across
- Vertical column of elements in the periodic table
- They are used to describe matter, like colour or conductivity
- Slow chemical change that occurs when oxygen in the air reacts with a metal
- New substance produced in a chemical reaction between reactants
- Anything that has mass and takes up space
- Matter which has a specific composition and specific properties / every pure element
- States that mass cannot be created or destroyed
- Horizontal row of elements in the periodic table
- Pure substance formed when at least one metal and one non-metal combine
- Chemical reaction that releases energy
Down
- The most reactive non-metals
- Pure substance that cannot be broken down into other substances
- Occurs when a material changes from one state o another
- A table in which elements are organized by their physical and chemical properties
- Pure substance formed when non-metals combine
- Elements that have both metallic and non-metallic properties
- Number of protons in the nucleus of one atom of an element
- A system of easy-to-use warning symbols on hazardous materials
- Occurs when two or more materials react and create new materials
- Substance that reacts with another substance in a chemical reaction to create new substances with different propeties
- Mass of one atom of an element
- Chemical reaction that occurs when oxygen reacts with a substance to form a new energy and give off energy
- an atom with a neutral charge is one where the number of electrons is equal to the atomic number
- Chemical reaction that absorbs energy
- A positively charged particle
25 Clues: The most reactive non-metals • A positively charged particle • Mass of one atom of an element • Chemical reaction that absorbs energy • Chemical reaction that releases energy • Anything that has mass and takes up space • Pure substance formed when non-metals combine • States that mass cannot be created or destroyed • Horizontal row of elements in the periodic table • ...
Chemistry crossword 2015-11-13
Across
- something that helps speed up the chemical reaction
- positively charged centre of an atom
- a chemical reaction in which heat is abosorbed
- able to form the object to something else without breaking it
- a compound made from a metal and non-metal elements
- a change where a new substance is made
- the most reactive element
- a compound made with 2 non-metal elements
- an experiment in which is one or more products of a chemical reaction can escape
- how well the element or compound is able to conduct electricity
- a group of atoms joined by covalent bonds
- a group of elements that are the most reactive non-metals
- hydogen's symbol
- a combination of pure chemicals
Down
- this is a principle saying that matter cannot be gained or lost in a chemical reaction
- a chemical reaction that releases heat
- chemical combination of 2 ore more elements in a specific ratio
- the metals found in group 1
- an element that has the bot metallic and non-metallic properties
- number the sum of the number of protons and neutrons in an atom
- a change in the appearance.
- water's chemical formula
- a group of non-metal elements that are the most stable
- substance that has a strong resistance to the flow of electricity
- neutral particle in the nucleus of an atom
25 Clues: hydogen's symbol • water's chemical formula • the most reactive element • the metals found in group 1 • a change in the appearance. • a combination of pure chemicals • positively charged centre of an atom • a chemical reaction that releases heat • a change where a new substance is made • a compound made with 2 non-metal elements • a group of atoms joined by covalent bonds • ...
Chemistry crossword 2015-11-13
Across
- group 17 elements in the periodic table;the most reactive non-metals
- combination of pure substances;unlike a compound,the components of a mixture do not combine chemically and are not always in the same ratio
- variations within a species
- the smallest part of an element that is representative of that element;a neutral particle made up of a nucleus containing protons and neutrons,and in which the number of electrons equals the number of protons
- invisible negatively charged particle that orbits the nucleus of an atom
- atom that has become electrically charged because it has lost or gained electrons;a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
- substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
- pure substance that cannot be broken down into other substances;substance made up of only one type of atom
- positively charged particle in the nucleus of an atom
- catalyst involved in chemical reactions in living things
- ability to do work
Down
- horizontal row of elements in the periodic table
- positively charged centre of an atom;contains protons and neutrons
- substance that helps a chemical reaction to proceed more quickly
- amount of mass in a given volume of a substance
- element that has both metallic and non-metallic properties
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- shiny,malleable,ductile element that conducts electricity
- description of a substance that can be pounded or rolled into sheets
- new substances produced in a chemical reaction between reactants
- group of atoms joined by covalent bonds
- chemical combination of two or more elements in a specific ratio
- neutral particle in a nucleus of an atom
- organic molecules made up of atoms of carbon,hydrogen and oxygen (ex,fats,oils and waxes);lipids are insoluble in water
- vertical column of elements in the periodic table;elements in a family all have similar chemical properties;also called a group
25 Clues: ability to do work • variations within a species • group of atoms joined by covalent bonds • neutral particle in a nucleus of an atom • amount of mass in a given volume of a substance • horizontal row of elements in the periodic table • positively charged particle in the nucleus of an atom • catalyst involved in chemical reactions in living things • ...
chemistry crossword 2016-02-25
Across
- organic catalyst
- negatively charged particle
- horizontal column of the periodic table of elects
- group 18 on the periodic table of elements
- an experiment which all reactants and all products of a chemical reaction are accounted for
- vertical column of elements on the periodic table
- a reaction that takes place when two or more substances react to form new substances
- description of how a substance interacts with other substances such as acids
- chemical reaction that releases energy
- an element with both metal and non-metal properties
- positively charged particle in the nucleus of an atom
Down
- a solution in which water is the solvent
- chemical combination of two more elements in a specific ratio
- substance made of only one type of matter
- pure substance formed when non-metals mix
- neutral particle the nucleus of an atom
- substance that helps speed up chemical reaction
- chemical reaction that absorbs energy
- change that results when two or more substances react to create a different substance or substances
- a formula of symbols that represent a compound
- an experiment in which one or more products of a chemical reaction can escape
21 Clues: organic catalyst • negatively charged particle • chemical reaction that absorbs energy • chemical reaction that releases energy • neutral particle the nucleus of an atom • a solution in which water is the solvent • substance made of only one type of matter • pure substance formed when non-metals mix • group 18 on the periodic table of elements • ...
chemistry crossword 2015-11-10
Across
- a fourth state of matter
- a change from a liquid to a gas
- compound when two non-metals combine
- when oxygen reacts with a substance to form a new substance and give off energy
- compounds are pure substances consisting of at least one metal and one non-metal
- a change from a gas to a liquid
- have both metallic and non-metallic properties
- the amount of mass in a given volume of substance
- properties used to identify matter ex- color and luster
- point changes from a solid to liquid
Down
- change its appearance or state may be altered,but its composition stays the same
- substances ability to resist being scratched
- substance that help a reaction proceed faster
- is a material that cannot be broken down into any simpler substance
- is the ability of a substance to conduct electricity or heat
- mass is the mass or one atom or an element
- respiration a chemical reaction that takes place in the cells in your body
- chemical reaction that releases heat energy
- a slow chemical change that occurs when oxygen in the air reacts with a metal
- substance that can be pounded or rolled into sheets
- mixture different substances that make up the mixture are visible
- any solid that can be stretched into a long wire
- chemical reaction that absorbs heat energy
- the ability of a substance to be dissolved in another
- point changes from a liquid to a gas
25 Clues: a fourth state of matter • a change from a liquid to a gas • a change from a gas to a liquid • compound when two non-metals combine • point changes from a liquid to a gas • point changes from a solid to liquid • chemical reaction that absorbs heat energy • mass is the mass or one atom or an element • chemical reaction that releases heat energy • ...
Chemistry Crossword 2015-11-19
Across
- A vertical column on the periodic table that have similar properties
- When a nonmetal and a nonmetal combine
- A form of mixture, milk is one example
- A unit used to measure atomic mass
- When two elements join, there are ionic and molecular ones
- Happens to an atom when it losses or gains electrons
- The process of losing heat to turn from a gas to a solid
- A horizontal row on the periodic table
- A physical property calculated by mass divided by volume
- Elements that don’t react much, gases
- A positively charged Elementary Particle that is embedded in the Nucleus
- A pure substance that can’t be separated any more, 118 of them
Down
- Table A table that organizes the elements
- A atom model developed by J.J. Thomson
- The most reactive group of metals on the periodic table
- A neutral charged Elementary Particle that forms part of the Nucleus
- When a metal and a nonmetal with ionic charges combine
- A pseudo science that involved turning things into gold
- Gas to liquid
- The person who created the word atom or atomos
- The person who came up with the current periodic table
- A physical property based on the Moh’s scale
- The core or solid center of an atom
- A negatively charged Elementary Particle that moves in shells around the nucleus
- The fourth state of matter
25 Clues: Gas to liquid • The fourth state of matter • A unit used to measure atomic mass • The core or solid center of an atom • Elements that don’t react much, gases • A atom model developed by J.J. Thomson • When a nonmetal and a nonmetal combine • A form of mixture, milk is one example • A horizontal row on the periodic table • Table A table that organizes the elements • ...
~ Chemistry Crossword ~ 2015-11-19
Across
- they react when exposed to air and water but their reactivity is not as strong as that of the alkali metals.
- Are shiny, malleable, ductile and are good conductors
- Takes place when 2 or more substances combine to form new substances.
- Identifies which elements, and how much of each, are in the compound.
- Chemical reaction that absorbs heat energy
- found in many different types of animal and plant cells, speeds up the breakdown of hydrogen peroxide into harmless oxygen and water.
- is the slow chemical change that occurs when oxygen in the air reacts with a metal
- The new materials produced by the reaction
- Meaning to go and wonder
- have both metallic and non-metallic properties.
- Means below
- without these, many reactions would require much higher temperatures- a situation that would be deadly to the human body.
- common example of corrosion- associated with certain metals (;metal gates, car bumpers etc)
Down
- most reactive metals
- Most reactive non-metals
- Are pure substances formed as a result of the attraction between particles of opposite charges
- sodium bicarbonate
- Horizontal row
- meaning 5
- Is measured by atomic mass unit
- They can be solids, liquids, or gases at room temperature, insulators and or poor conductors of electricity
- are substances that help a reaction proceed faster
- The materials at the start of a reacttion
- Most stable elements
- is a chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
25 Clues: meaning 5 • Means below • Horizontal row • sodium bicarbonate • most reactive metals • Most stable elements • Most reactive non-metals • Meaning to go and wonder • Is measured by atomic mass unit • The materials at the start of a reacttion • Chemical reaction that absorbs heat energy • The new materials produced by the reaction • have both metallic and non-metallic properties. • ...
Chemistry Crosswords 2015-11-19
Across
- are shiny, malleable and ductile metallic's.
- is a material that cant be broken down into and simpler substance.
- is a vertical row in the periodic table. Also known as a family.
- is a positive ion.
- are between metals and non-metals.
- is a combination of pure substances.
- is a particle in a element.
- is a positive charged particle.
- is from gas to liquid.
- is when a solid goes to a gas.
- is from liquid to solid.
- is workplace hazardous material information system.
- is a cloudy mixture that can not be separated.
Down
- is anything that has a mass or occupies space.
- is from solid to liquid.
- is when a gas goes to a solid.
- is another positive charged particle.
- are characteristics that can be used to describe a substance.
- is a horizontal row in the periodic table.
- is from liquid to gas.
- is a mixture that looks like a pure substance.
- is a negative ion.
- is more then two elements combined together.
- is a cloudy mixture that can be separated.
- is another word for metal.
25 Clues: is a positive ion. • is a negative ion. • is from liquid to gas. • is from gas to liquid. • is from solid to liquid. • is from liquid to solid. • is another word for metal. • is a particle in a element. • is when a gas goes to a solid. • is when a solid goes to a gas. • is a positive charged particle. • are between metals and non-metals. • is a combination of pure substances. • ...
Chemistry Crossword 2015-11-19
Across
- A combination of pure substances.
- Shiny, malleable, ductile, conduct electricity.
- Negatively charged particles.
- The new materials produced by the reaction.
- Anything on the periodic table.
- A chemical reaction that releases heat energy.
- Liquid to solid.
- Most reactive non-metals.
- Positively charged particles.
- Characteristics that can be used to describe a substance.
- A cloudy mixture that cannot be separated.
- An element that we need to live.
Down
- Gas to solid.
- The materials at the start of a reaction.
- Have both metallic and non-metallic properties.
- Solid to gas.
- A catalyst found in the human body.
- A chemical reaction that absorbs heat energy.
- A substance that help a reaction proceed faster.
- Liquid to gas.
- Anything that has mass and occupies space.
- Solid to liquid.
- A cloudy mixture that can be separated.
- The horizontal rows on the periodic table.
- The vertical rows on the periodic table.
25 Clues: Gas to solid. • Solid to gas. • Liquid to gas. • Liquid to solid. • Solid to liquid. • Most reactive non-metals. • Negatively charged particles. • Positively charged particles. • Anything on the periodic table. • An element that we need to live. • A combination of pure substances. • A catalyst found in the human body. • A cloudy mixture that can be separated. • ...
Chemistry Crossword 2015-11-23
Across
- new substance produced in a chemical reaction between reactants
- chemical reaction that releases heat
- vertical column of elements in the periodic table
- pure substance fromed when non-metals combine
- horizontal row of elements in the periodic table
- substance that reacts with another substance or substances in chemical reaction to create new substance with different properties
- an experiment in which one or more products of a chemical reaction can escape
- pure substance formed when at least one metal and non-metal combine
- reactivity is not as strong as alkali metals
- the most stable and unreactive elements
- group of atoms joined by covalent bonds
- shiny,malleable,ductile element that conducts electricity
- dull,brittle element that does not conduct electricity
Down
- anything that has mass and occupies space
- change in the appearance or state of a substance that does not change the composition
- change that results when two or more substances react to create a different substance or substances
- chemical reaction that absorbs heat
- neutral particle in the nucleus of an atom
- element that has both metallic and non-metallic properties
- characteristic that describes a particular substance
- a table with elements organized by their physical and chemical properties
- the most reactive non-metals
- an experiment in which all reactants and products of a chemical reaction are accounted for
- positively charged particle in the nucleus of an atom
- the most reactive of the metals
25 Clues: the most reactive non-metals • the most reactive of the metals • chemical reaction that absorbs heat • chemical reaction that releases heat • the most stable and unreactive elements • group of atoms joined by covalent bonds • anything that has mass and occupies space • neutral particle in the nucleus of an atom • reactivity is not as strong as alkali metals • ...
Chemistry Crossword 2015-11-23
Across
- a table in which the elements are organized by their physical and chemical properties
- mass of one atom of an element from the protons, neutrons, and electrons
- cloudy mixture in which tiny particles of one substance are held within each other and particles cannot be separated out from the other substance
- cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
- homogeneous mixture; mixture of two or more pure substances that looks like one substance
- combination of pure substances
- description of how a substance interacts with other substances
- dull, brittle element that doesn't conduct electricity
- when two or more substances react to each other and create a whole new substance
- when two or more substances react to make a new different substance; has new properties then the original ones
- chemical combination of two or more elements in a specific ratio
- a solution in which water is the solvent
Down
- particle in the nucleus of an atom
- orbit of electrons around the nucleus of an atom
- a 'group' of elements
- heterogeneous mixture in which the different substances that make up the mixture are visible
- change in appearance or or state of a substance that does not change the composition
- shiny, malleable, ductile element that conducts electricity
- horizontal row of elements in the periodic table of elements
- measurement of atomic mass
- not a metal, but not a non-metal
- pure substance that cannot be broken down into other substances; made up of only one type of atom
- positively charged particle in the nucleus of an atom
- number number of protons in the nucleus of one atom of an element
24 Clues: a 'group' of elements • measurement of atomic mass • combination of pure substances • not a metal, but not a non-metal • particle in the nucleus of an atom • a solution in which water is the solvent • orbit of electrons around the nucleus of an atom • positively charged particle in the nucleus of an atom • dull, brittle element that doesn't conduct electricity • ...
Chemistry Crossword 2015-11-23
Across
- metals Group 1 elements in the periodic table not including hydrogen most reactive
- A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
- Earth metals group 2 elements in the periodic table their reactivity is not as strong as alkali metals
- A chemical reaction that absorbs heat
- Hydrogens Chemical symbol
- a element that has both metallic and nonmetallic properties
- Hydrogens symbol
- Group 18 elements in the periodic table
- Number of protons in the nucleus of one atom of an element
- A change in appearance
- A reaction where some of the products can be lost
- The basic unit of a chemical element
- the most reactive of all elements
- A combo of elements
Down
- A stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
- Mass of one element calculated from the total number of protons and neutrons
- A chemical reaction that releases heat
- Oxygens Chemical symbol
- A change when a new substance is made
- Water's chemical formula
- a substance that helps a chemical reaction to proceed more quickly
- A substance that is made up of one kind of matter, which has a unique set of properties
- A reaction where all the products will remain and be accounted for
- charge equal in magnitude to that of an electron, but of opposite sign.
- The positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
25 Clues: Hydrogens symbol • A combo of elements • A change in appearance • Oxygens Chemical symbol • Water's chemical formula • Hydrogens Chemical symbol • the most reactive of all elements • The basic unit of a chemical element • A chemical reaction that absorbs heat • A change when a new substance is made • A chemical reaction that releases heat • Group 18 elements in the periodic table • ...
Chemistry Crossword 2015-11-19
Across
- Catalyst involved in a chemical reaction in living things.
- The smallest part of an element that is representative of that element.
- A material that that electric charge can move through easily.
- Shiny, malleable, ductile element that conducts electricity.
- Chemical reaction that takes place in cell.
- Change of state from a liquid to gas.
- Chemical combination of two or more elements in a specific ratio.
- Chemical reaction that releases energy.
- Anything that has mass and occupies space.
- Slow chemical change that occurs when oxygen in the air reacts with a metal.
- Change of state from solid to liquid.
Down
- Number of protons in the nucleus of one atom of an element.
- Invisible negatively charged particle that orbits the nucleus of an atom.
- Measure of atomic mass.
- Description of a substance that can be pounded or rolled into sheet.
- Chemical reaction that absorb energy.
- Substance that helps a chemical reaction to proceed more quickly.
- Change of state from a gas to liquid.
- Change of state from a gas to solid.
- Vertical column of element in the periodic table.
- Group 17 elements in the periodic table.
- Substance that strongly resist the flow of electricity.
- Chang of state from a liquid to solid.
- Amount of mass in a given volume of a substance.
- Ability to work.
25 Clues: Ability to work. • Measure of atomic mass. • Change of state from a gas to solid. • Chemical reaction that absorb energy. • Change of state from a gas to liquid. • Change of state from a liquid to gas. • Change of state from solid to liquid. • Chang of state from a liquid to solid. • Chemical reaction that releases energy. • Group 17 elements in the periodic table. • ...
Chemistry Crossword 2015-11-19
Across
- a subatomic particle of about the same mass as a proton but without an electric charge
- the smallest part of an element
- mass of one atom of an element calculated from the number of protons, neutrons, and electrons
- new substance produced in a chemical reaction between reactants
- a stable subatomic particle occurring in all atomic nuclei,
- an experiment in which all reactants and all products of a chemical reaction are accounted
- pure substance when two or more non-metals combine
- an atom or group of atoms that has become electrically charged because it has lost or gained electrons
- anything that has mass and occupies space
- chemical reaction that takes place in cells
- a reaction that takes place when two or more substances react to form a new substance
- pure substance that cannot be broken down into other substances
- number of protons in the nucleus of one atom of an element
- Workplace Hazardous Materials Information Systems
- a stable subatomic particle with a charge of negative electricity
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
Down
- substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
- an experiment in which one or more products of a chemical reaction can escape
- chemical reaction that absorbs heat
- fundamental principle that energy cannot be created or destroyed in a chemical reaction
- a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
- pure substance formed when at least one metal and non-metal combine
- a table in which the elements are organized by their physical and chemical properties
- slow chemical change that occurs when oxygen in the air reacts with a metal
- chemical reaction that releases heat
25 Clues: the smallest part of an element • chemical reaction that absorbs heat • chemical reaction that releases heat • anything that has mass and occupies space • chemical reaction that takes place in cells • Workplace Hazardous Materials Information Systems • pure substance when two or more non-metals combine • number of protons in the nucleus of one atom of an element • ...
Chemistry Terms 2016-02-12
Across
- release energy in the form of heat and light, so they are exothermic
- is a type of reaction that occurs when the cations and anions switch between two reactants to form new products
- are molecules made of two atoms chemically bonded together. The atoms can be of the same element
- Substances initially present in a chemical reaction that are consumed during the reaction to make products
- is an insoluble solid that emerges from a liquid solution. The emergence of the insoluble solid from solution
- A representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product
- A number or symbol multiplied with a variable or an unknown quantity in an algebraic term
- Also referred to as reaction yield, is the amount of product obtained in a chemical reaction. The absolute yield can be given as the weight in grams or in moles
- In chemical formulas the number of atoms in a molecule
- A decomposition reaction is a type of chemical reaction where one reactant yields two or more products.
Down
- A process in which atoms of the same or different elements rearrange themselves to form a new substance
- A combustion reaction is a type of chemical reaction where a compound and an oxidant is reacted to produce heat and a new product.
- a chemical reaction in which an acid and a base interact with the formation of a salt;with strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water
- State of matter consisting of particles that have neither a defined volume nor defined shape
- is a substance formed when two or more chemical elements are chemically bonded together
- Also called single-replacement reaction, is a type of oxidation-reduction chemical reaction when an element or ion moves out of one compound and into another that is, one element is replaced by another in a compound.
- solution is a solution in which the solvent is water
- Tend to be packed together much closer than the other particles
- The substances that result from this recombination of atoms
- Form of matter between a gas and a solid that has a definite volume, but no definite shape
20 Clues: solution is a solution in which the solvent is water • In chemical formulas the number of atoms in a molecule • The substances that result from this recombination of atoms • Tend to be packed together much closer than the other particles • release energy in the form of heat and light, so they are exothermic • ...
Chemistry unit 2016-02-10
Across
- From positive iron
- Positive electron
- in each of these the atomic number increased from left to right
- center of the atom
- neutral electron
- smallest partial in chemical element
- negative electron
- a substance that takes part in and under goes change during a reaction
- can be changed from on from to another
- mass of a atomic partial
- outside reaction
- what was made after the reactions
Down
- he made the table
- outer part of a orbital
- ring around the nucleus
- located to the right of metalloids and to the left of halogen
- neon, argon,krypton, xenon,and radon are all
- thin coat of gold silver or other metal.
- concealed reaction
- column of elements of the P.T of the chemical element
- how many rings
- abbreviation of element
- mixture of those metals and non metals
- name of the atom
- Every solid, liquid, and gas is made up of these
25 Clues: how many rings • neutral electron • name of the atom • outside reaction • he made the table • Positive electron • negative electron • From positive iron • center of the atom • concealed reaction • outer part of a orbital • ring around the nucleus • abbreviation of element • mass of a atomic partial • what was made after the reactions • smallest partial in chemical element • ...
Chemistry Crossword 2015-11-05
Across
- represented by "h" and is used to find energy of a quantum
- half the total height of a wave
- A particle that produces a photoelectric effect
- The form of energy that was originally thought of in waves only
- represented by "v" and expressed in waves per second
- λ=h/mv
- special electrons that determine chemical properties of an element
- increments of energy discovered by Planck
- Hydrogen's ___ has a radius of .0529 with a quantum number of n=1
Down
- related to size of orbital and excited state of an electron
- represented by "λ" measured in nano meters
- Used to convert energy of light to electrical energy in a calculator
- Hydrogen's ___ shows only four certain frequencies of light
- .B. .N.
- A specific spectrum from 10^4 v to 10^22 v
- how electrons are arranged in the atoms's orbitals
- electrons must start off as close to ground state
- a rule that distributes electrons in equal-energy orbitals
- an electron's most probable location
- a principal energy level 2 consists of two ____
20 Clues: λ=h/mv • .B. .N. • half the total height of a wave • an electron's most probable location • increments of energy discovered by Planck • represented by "λ" measured in nano meters • A specific spectrum from 10^4 v to 10^22 v • A particle that produces a photoelectric effect • a principal energy level 2 consists of two ____ • electrons must start off as close to ground state • ...
Chemistry crossword 2015-12-01
Across
- A horizontal column in the period table
- Any solid that could be stretched into a long wire
- Characteristics that can be used to describe a substance
- When liquid mixtures are combined to create a major compound
- A subatomic particle of about the same mass as a proton but without an electric charge
- It is a chemical process where a solid turns into a liquid without the liquid stage
- A solid matter that is typical hard
- Able to shatter violently apart
- The freezing point of water
- A vertical column in the period table
- Poisonous
- The compactness of a substance
Down
- A cloudy mixture, but the particles of the suspended substance are so small that they cannot be easily separated out from the other substance
- Physical substance in general
- Is a cloudy mixture in which tiny particles of one substance are held within another
- A substance that could be pounded or rolled into sheets
- Tending to cause corrosion
- Make something liquefied by heat
- The condition of being hard
- A chemical property referring to the ability for a given substance
- A mixture that is composed of 2 separate elements
- It is a charged particle
- More than one hundred substances that cannot be chemically inter converted or broken down into simpler substances
- Is a combination of pure substances
- Firm and stable in shape
25 Clues: Poisonous • It is a charged particle • Firm and stable in shape • Tending to cause corrosion • The condition of being hard • The freezing point of water • Physical substance in general • The compactness of a substance • Able to shatter violently apart • Make something liquefied by heat • A solid matter that is typical hard • Is a combination of pure substances • ...
Chemistry Crossword 2015-12-01
Across
- Materials produced by a reaction.
- Substances that help a reaction proceed faster.
- Substances formed as a result of the attraction between particles of opposite charges.
- Heat being given off
- Most stable and unreactive element.
- Most reactive metals.
- The amount of mass in a given volume of a substance.
- Absorption of heat.
- The smallest part of an element.
- Gas to solid.
- Positively charged centre of an atom.
- A pure substance that cannot be broken down any further.
- Neutral particle
Down
- Positively charged particles.
- Slow chemical change that occurs when air reacts with metal.
- When non metals combine.
- Takes place when two or more substances combine to form a new substance.
- An atom that has become electrically charged.
- Materials at the start of a reaction.
- The most reactive non metals.
- Anything that has mass and occupies space.
- Element that has both metallic and non metallic properties.
- Solid to a gas.
- Negatively charged particle in an atom.
- Catalyst involved in chemical reactions in living things.
25 Clues: Gas to solid. • Solid to a gas. • Neutral particle • Absorption of heat. • Heat being given off • Most reactive metals. • When non metals combine. • Positively charged particles. • The most reactive non metals. • The smallest part of an element. • Materials produced by a reaction. • Most stable and unreactive element. • Materials at the start of a reaction. • ...
Chemistry Crossword 2015-12-01
Across
- group of atoms joined by covalent bonds
- catalyst involved in chemical reactions in living things.
- group 17 elements in the periodic table; the most reactive non-metals.
- homogeneous mixture of two or more substances that look like one substance.
- cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out.
- combination of pure substances, the components do not combine chemically and are not always in the same ratio.
- number of protons in the nucleus of one atom of an element
- positively charged center of atom; contains protons and neutrons.
- an experiment in which one or more products of a chemical reaction can escape.
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
- vertical column of elements in the periodic table; elements in the periodic table, elements in a family all have similar chemical properties.
- positively charged particle in the nucleus of an atom
Down
- Chemical combination of two or more elements in a specific ratio.
- invisible negatively charged particle that orbits the nucleus of an atom
- substance that reacts with another substance(s) in a chemical reaction to create new substances with different properties.
- change of state from solid to gas or from gas to solid.
- cloudy mixture in which tiny particles of one substance are held within another, and the particles cannot be separated out.
- characteristics that describe a particular substance
- change of state from gas to a solid
- change of state from a gas to liquid.
- new substance produced in a chemical reaction between reactants
- atom that has become electrically charged because it has lost or gained electrons.
- Pure substance that cannot be broken down into other substances.
- element that has both metallic and nonmetallic properties.
- substance that helps a chemical reaction to proceed more quickly.
25 Clues: change of state from gas to a solid • change of state from a gas to liquid. • group of atoms joined by covalent bonds • characteristics that describe a particular substance • positively charged particle in the nucleus of an atom • change of state from solid to gas or from gas to solid. • catalyst involved in chemical reactions in living things. • ...
Chemistry Crossword 2015-12-01
Across
- Element that has both metallic and non-metallic properties
- Absorbs heat
- The ability of a substance to dissolve into another
- When a gas changes to a solid
- change When a substance changes state but its composition stays the same.
- The most stable and nonreactive elements in the periodic table
- table A table of the chemical elements known by humans
- The ability of a substance to conduct electricity or heat
- The temperature in which a substance changes from a solid to a liquid
- characteristics used to describe a substance or material
- Dull, brittle element that does not conduct electricity
- Shiny, malleable, ductile element that conducts electricity
Down
- A pure substance made up of one type of particle and cannot be broken down
- Fundamental principle that states that energy cannot be created or destroyed, only rearranged.
- compound Formed when atoms transfer electrons to or from other atoms
- A substance's resistance to scratches
- The amount of mass in a given volume of a substance
- The fourth state of matter
- number The number of protons in the nucleus of an atom
- The temperature in which a substance changes from a liquid to a gas
- properties Used to identify and classify matter
- When a solid changes to a gas
- Anything that has mass and occupies space
- Releases heat
- mass The average mass of an atom of an element
25 Clues: Absorbs heat • Releases heat • The fourth state of matter • When a gas changes to a solid • When a solid changes to a gas • A substance's resistance to scratches • Anything that has mass and occupies space • mass The average mass of an atom of an element • properties Used to identify and classify matter • The amount of mass in a given volume of a substance • ...
Chemistry Crossword 2015-12-01
Across
- A physical property calculated by mass divided by volume
- A substance that helps a chemical reaction to proceed more quickly.
- A pseudo science that involved turning things into gold
- The person who came up with the current periodic table
- A vertical column on the periodic table that have similar properties
- Table A table that organizes the elements
- A slow chemical change that occurs when oxygen in the air reacts with a metal.
- Group 17 elements in the periodic table: the most reactive non-metals.
- Gas to liquid
- The process of losing heat to turn from a gas to a solid
- A atom model developed by J.J. Thomson
- A horizontal row on the periodic table
- A change of state from liquid to a solid.
- A neutral charged Elementary Particle that forms part of the Nucleus
Down
- A pure stance that can’t be separated any more, 118 of them
- A physical property based on the Moh’s scale
- metal The most reactive group of metals on the periodic table
- The person who created the word Atom or Atomos
- A unit used to measure atomic mass
- A form of mixture, milk is one example
- charge Happens to an atom when it losses or gains electrons
- A negatively charged elementary Particle that moves in shells around the nucleus
- Elements that don’t react much because of their equal numbered valence shell
- The core or solid center of an atom
- A positively charged Elementary Particle that is embedded in the Nucleus
25 Clues: Gas to liquid • A unit used to measure atomic mass • The core or solid center of an atom • A form of mixture, milk is one example • A atom model developed by J.J. Thomson • A horizontal row on the periodic table • Table A table that organizes the elements • A change of state from liquid to a solid. • A physical property based on the Moh’s scale • ...
Chemistry crossword 2015-12-01
Across
- gases- group 18 elements in the periodic table;the most stable and unreactive elements
- system- an experiment in which one or more products of a chemical reaction can escape
- shiny, malleable, ductile element that conducts electricity
- pure substance that cannot be broken down into other substances; substance made up of only one type of atom
- a substance with a sour taste.
- mass- mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom
- change of state from a solid to a liquid
- mass of a substance that can dissolve in a given amount of solvent to form a saturated solution at a given temperature
- such a substance, as dissolved sugar or salt in solution.
- to make or form by combining parts, elements.
- element that has both metallic and nonmetallic properties
- system- an experiment in which all reactants and all products of a chemical reaction are accounted for
- number- number of protons in the nucleus of one atom of an element
Down
- one of the electrically charged particles formed in a gas by electric discharge or the like.
- elements in a family all have similar chemical properties
- any of various proteins, as pepsin, originating from living cells and capable of producing certain chemical changes in organic substances by catalytic action, as in digestion.
- anything extremely small; a minute quantity
- metals- any of a group of soft, white, low-density, low-melting, highly reactive metallic elements
- any substance that undergoes a chemical change in a given reaction.
- the act or process of burning.
- a substance that causes or accelerates a chemical reaction without itself being affected.
- any of the electronegative elements, fluorine, chlorine, iodine, bromine, and astatine, that form binary salts by direct union with metals.
- invisible negatively charged particle that orbits the nucleus of an atom
- mass per unit volume.
- compound pure substance formed when at least one metal and one non-metal combine
25 Clues: mass per unit volume. • a substance with a sour taste. • the act or process of burning. • change of state from a solid to a liquid • anything extremely small; a minute quantity • to make or form by combining parts, elements. • elements in a family all have similar chemical properties • such a substance, as dissolved sugar or salt in solution. • ...
Chemistry Unit 2016-02-09
Across
- smallest particle in a substance
- negative electrical charge
- element not having a metal character
- top to bottom on a Periodic Table
- any closed system subjected to no external forces, the mass is constant irrespective of its changes in form
- gives off heat and energy
- a substance changes when combined with other substances in a chemical reaction
- group of rare gases
- center part of an atom with protons and neutrons
- one or more atoms of the same substance
- represents the element
- absorbs energy and is cold
- substance that is a conductor of heat and electricity
- substance obtained from another substance through chemical change
Down
- amount of orbitals on the outer shell of an atom
- positive electrical charge
- no electrical charge
- an external layer of metal
- Russian chemist and formed the Periodic law
- combining two or more substances
- represents the number of protons and electrons
- mass of a given element
- properties between metals and nonmetals
- one substance made from atoms
- goes around the nucleus of an atom
- left to right on a Periodic Table
26 Clues: group of rare gases • no electrical charge • represents the element • mass of a given element • gives off heat and energy • positive electrical charge • negative electrical charge • an external layer of metal • absorbs energy and is cold • one substance made from atoms • smallest particle in a substance • combining two or more substances • top to bottom on a Periodic Table • ...
Chemistry Review 2015-11-30
Across
- / H+Br
- / mx TxCp
- / CO2+H20
- / A charged group of covalently bonded atoms.
- / AD+CB
- Reaction / 2 or more substances combine to form a new compound.
- Yield / The ratio of the actual yield to the theoretical yield, multiplied by 2.
- / 2
- Numbers / In order to indicate the general distribution of electrons among the bonded atoms in a molecular compound or a polyatomic ion.
- / The decomposition of a substance by an electric current.
- Replacement Reaction / 1 element replaces a similar element in a compound.
- Mass Unit / Exactly 1/12 the mass of a carbon-12 atom
- / 5
- / B+AC
- / Q/M T
- / An ionic compound composed of a cation and the anion from an acid.
- / A+B
- Bonding / The sharing of electron pairs between 2 atoms.
- Stoichiometry / The mass relationship of elements in a compounds.
- Mass / The mass of one mole of a pure substance
- / H+ClO4
- / The smallest unit of an element that maintains the properties of that element.
- Bond / A covalent bond produced by the sharing of 3 pairs of electrons between 2 atoms.
- / Tf-Ti
- Mass / The sum of the average atomic masses of all the atoms represented in its formula.
- / The study of the composition, structure, and properties of matter and the changes it undergoes.
- bond / Double and triple bonds.
- / A general term for any isotope of any element.
- Molecule / A molecule containing only 2 atoms.
- / A broad generalization that explains a body of facts or phenomena.
- Replacement / The ions of 2 compounds exchange places in an aqueous solution to form 2 new compounds.
Down
- / -log(OH-)
- / They never have an uneven distribution of charge.
- / A basis for making predictions and for carrying out further experiments.
- / Something that has magnitude, size. or amount.
- Reaction / A substance combines with oxygen, releasing a large amount of energy in the form of light and heat.
- / 4
- / H+I
- / -log(H30+)
- / 1
- Stoichiometry / The mass relationships between reactions and products in a chemical reactions.
- / A small whole number that appears in front of a formula in a chemical equation.
- Composition / The percentage by mass of each element in a compound.
- / A specific portion of matter in a given region of space that has been selected for study during an experiment or observation.
- Yield / The measured amount of a product obtained from a reaction.
- Ratio / A conversion factor that relates the amounts in moles of any 2 substances involved in a chemical reaction.
- / A pure substance made of only one kind of atom.
- / AB
- / Any substance that has a definite composition.
- number / the number of particles in exactly 1 mole of a pure substance.
- Method / A logical approach to solving problems by observing and collecting data, formulating hypothesis, and formulating theories that are supported by data.
- / 3
- / Atoms of the same element that have different masses.
- / H+CL
- / A measure of the amount of matter.
- / Polyatomic ions that contain oxygen.
- / A neutral group of atoms that are held together by covalent bonds.
- Compounds / Compounds composed of 2 different elements.
- Reactant / The substance that is not used up completely in a reaction.
- atomic mass / The weighted average of the atomic masses of the naturally occurring isotopes of an element.
- / An explanation of how phenomena occur and how data or events are related.
- / H+ClO3
62 Clues: / 4 • / 2 • / 1 • / 5 • / 3 • / AB • / H+I • / A+B • / H+Br • / B+AC • / H+CL • / AD+CB • / Q/M T • / Tf-Ti • / H+ClO4 • / H+ClO3 • / mx TxCp • / CO2+H20 • / -log(OH-) • / -log(H30+) • bond / Double and triple bonds. • / A measure of the amount of matter. • / Polyatomic ions that contain oxygen. • / A charged group of covalently bonded atoms. • Molecule / A molecule containing only 2 atoms. • ...
Chemistry Crossword 2016-01-27
Across
- Elements that typically is a hard, shiny solid material that is a good conductor of heat and electricity
- Ions ions that are made of more than one atom
- What is dissolved in a solution
- process that changes one set of chemicals into another set of chemicals.
- a grouping of electrons surrounding the nucleus of an atom
- Mixture of a solid and a liquid where the solid never settles out.
- a particle that is electrically charged can be positive or negative
- consists of two or more different elements
- number of protons in an atom's nucleus
- is a tiny subatomic particle found in the nucleus of an atom and it has a positive charge.
- chemical bonding that results from the electrical attraction between cations and anions
- of a substance capable of being dissolved in some solvent Usually water.
- consists of two more substances that can be separated.
Down
- Properties of a metal and an non-metal.
- The particles of the nucleus that have no electrical charge, but add to the mass of the atom.
- Non metallic elements in the last group of the periodic table which have the most stable and unreactive elements
- substance in which a solute is dissolved to form a solution.
- A table that shows the elements, their atomic number, symbol, and average atomic mass
- is the smallest particle of an element that can take part in a chemical reaction
- a compound made of oppositely charged ions. tend to be brittle,and soluble.
- A group of atoms that are held together.
- is a tiny subatomic particle revolves around the nucleus and it has a negative charge.
- The elements in a horizontal row of the periodic table.
- A measure of how much solute can dissolve in a solvent at a given temperature
- protons + neutrons
- A substance which cannot be further divided into simpler substances by chemical methods.
26 Clues: protons + neutrons • What is dissolved in a solution • number of protons in an atom's nucleus • Properties of a metal and an non-metal. • A group of atoms that are held together. • consists of two or more different elements • Ions ions that are made of more than one atom • consists of two more substances that can be separated. • ...
Organic Chemistry 2016-04-26
Across
- A compound with an -OH functional group and a general formula of CnH2n+1OH
- A molecule that can combine to form a polymer
- The breakdown of glucose in a lack of oxygen to form ethanol and carbon dioxide
- distillation Separation of different substances of different boiling points in a liquid
- A molecule made of only Hydrogen and Carbon
- A hydrocarbon containing one or more C=C and having the general formula CnH2n
- A polymer with -CONH- Linkages
- compound Compounds containing carbon and usually hydrogen and perhaps other elements
Down
- A hydrocarbon with only single bonds with the maximum amount of bonds possible
- polymerisation Polymerisation where water is formed as a product
- A substance Made from a large amount of monomers
- series A group of organic compounds that share the same general formula and similar chemical properties
- A substance that speeds up a reaction without being chemically changed
- The breaking of long chained alkanes into short chained alkenes by heat and a catalyst
- group A group of atoms responsible for the characterisics of a homologous series
- The breakdown of a compound by reaction with water
- acids A weak acid with a general formula CnH2n+1COOH
- fuel Fuel formed from decomposing animals and plants over millions of years
- A hydrocarbon with the general formula CnH2n+2
- A compoud formed when a carboxylic acid reacts with an alcohol
20 Clues: A polymer with -CONH- Linkages • A molecule made of only Hydrogen and Carbon • A molecule that can combine to form a polymer • A hydrocarbon with the general formula CnH2n+2 • A substance Made from a large amount of monomers • The breakdown of a compound by reaction with water • acids A weak acid with a general formula CnH2n+1COOH • ...
Chemistry crossword 2016-05-13
Across
- the mass in grams of 1 mol of a substance
- describes a process in which heat is absorbed from the environment
- a charged electron emitted during a certain type of radioactive decay, such as beta decay
- a base that releases few hydroxide ions in aqueous solution
- an atom that is identified by the number of protons and neutrons in its nucleus
- a change of matter from one form to another without a change in chemical properties
- a measure of how hot (or cold) something is
- the rate at which a chemical reaction takes place
- a series of steps followed to solve problems, including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions
- a solution of known concentration
- the capacity to do work
- a method to determine the concentration of a substance in solution by adding a solution of known volume
- a number that specifies the properties of electrons
- describes a process in which a system releases heat into the environment
- the principle that states that two particles of a certain class cannot be in the exact same energy state
- the area of chemistry that is the study of reaction rates and reaction mechanisms
- energy transferred between objects that are at different temperatures
- a substance that donates a proton to another substance
- the minimum mass of a fissionable isotope that provides the number of neutrons needed to sustain a chain reaction
- the high-energy photon emitted by a nucleus during fisson and radioactive decay
- wavelengths of electromagnetic radiation
- a base that forms when an acid loses a proton
- the splitting of the nucleus of a large atom into two or more fragments, a process that produces additional neutrons and a lot of energy
- an acid that ionizes completely in a solvent
- a region in an atom where there is a high probability of finding electrons
- the quantity of heat required to raise a unit mass of homogeneous material 1 K or 1°C in a specified way given constant pressure and volume
- a solution of known concentration that is used to titrate a solution of unknown concentration
- a summary of many experimental results and observations; a law tells how things work
- a proton or a neutron
- the point in a titration at which a marked color change takes place
- an atom’s central region, which is made up of protons and neutrons
- a subatomic particle that has a positive charge and that is found in the nucleus of an atom
Down
- the interaction that binds nucleons together in a nucleus
- the combination of the nuclei of small atoms to form a larger nucleus, a process that releases energy
- a state in which an atom has more energy than it does at its ground state
- the lowest energy state of a quantized system
- the sum of the numbers of protons and neutrons of the nucleus of an atom
- an acid that forms when a base gains a proton
- the arrangement of electrons in an atom
- a base that ionizes completely in a solvent
- all of the frequencies
- an atom that has the same number of protons (atomic number) as other atoms of the same element but has a different number of neutrons (atomic mass)
- the point at which the two solutions used in a titration
- the SI base unit used to measure the amount of a substance whose number of particles is the same as the number of atoms in 12 g of carbon-12
- the change of a substance from a liquid to a gas
- a subatomic particle that has a negative electric charge
- a theory or explanation that is based on observations and that can be tested
- the pH range through which an indicator changes color
- the reaction of the ions that characterize acids
- the number of protons in the nucleus of an atom
- the time required for half of a sample of a radioactive substance to disintegrate by radioactive decay or natural processes
- the energy of an object that is due to the object’s motion
- 6.022 × 1023, the number of atoms or molecules in 1 mol
- a change that occurs when one or more substances change into entirely new substances with different properties
- a reaction in which a change in a single molecule makes many molecules change until a stable compound forms
- the process by which an unstable nucleus emits one or more parti- cles or energy in the form of electromagnetic radiation
- the mass of an atom expressed in atomic mass units
- an acid that releases few hydrogen ions in aqueous solution
- a subatomic particle that has no charge and that is found in the nucleus of an atom
- describes a substance, such as water, that has the properties of an acid and the properties of a base
- an explanation for some phenomenon that is based on observation, experimentation, and reasoning
61 Clues: a proton or a neutron • all of the frequencies • the capacity to do work • a solution of known concentration • the arrangement of electrons in an atom • wavelengths of electromagnetic radiation • the mass in grams of 1 mol of a substance • a base that ionizes completely in a solvent • a measure of how hot (or cold) something is • an acid that ionizes completely in a solvent • ...
chemistry crossword 2016-06-29
Across
- / A soluble base with a pH greater than 7
- shell / the shell furthest away from the nucleus
- / gain of electrons
- / unit for distance
- / speeds up a reaction not used up
- / two or more elements
- / OH
- energy / energy to start a reaction
- / name of all the elements in group 7 of the periodic table
- oil / source of ethene
- / pink to colourless in acid
- syringe / used to collect or measure volume of gas
- / a mixture made by adding a soluble substance to water
- / non-metal and non-metal
- / quantity measured by a ruler
- / saturated
- / name of apparatus used to add a liquid drop by drop
Down
- / H2
- / made up of more than one atom chemically bonded
- / unit for mass
- formula / shows all bonds and atoms
- reaction / reaction when two or more reactants form only one product
- / a red-brown liquid
- / loss of electrons
- and cross / name of diagram used to show the molecules in a particle
- indicator / measures pH
- / burning with an excess of oxygen
- / smallest unit for distance
- / compound made up of hydrogen and carbon only
- / He
- / C2H4O
- / smaller unit for distance
- / quantity for a gas syringe
- / unsaturated
- / metal and a non-metal stick together
- / a substance made up of only one type of atom
- monoxide / created from incomplete combustion
37 Clues: / H2 • / OH • / He • / C2H4O • / saturated • / unsaturated • / unit for mass • / loss of electrons • / gain of electrons • / unit for distance • / a red-brown liquid • / two or more elements • oil / source of ethene • indicator / measures pH • / non-metal and non-metal • / smaller unit for distance • / smallest unit for distance • / pink to colourless in acid • / quantity for a gas syringe • ...
Thermo Chemistry 2016-05-17
Across
- energy that moves because of a temperature difference and warms an object up
- the enthalpy change caused by one mole of a liquid as it solidifies
- (out of a system) measure of heat flow
- energy changes during chemical reactions and has endo or exo reactions
- potential energy: stored in chemical bonds
- amount of heat needed to increase the temperature of one gram by one degree celsius
- the amount of heat absorbed by one mole of a liquid as it vaporizes
- the amount of heat released by one mole of vapor as it turns to a liquid
- something you focus all attention on
Down
- the heat of reaction for the complete burning of one mole of a substance
- insulated device to measure release or absorption of heat in a process
- the heat content of a system at a constant pressure
- process that absorbs heat from its surrounding.. in
- the amount of heat lost by one mole of a liquid as it turns to a solid
- equation including an enthalpy change
- amount of heat absorbed by one mole of a solid substance into a liquid at a constant temperature
- the enthalpy change for a chemical equation
- process that gives off heat.. out
- everything that surrounds the system
- amount of heat needed to increase the temperature of an object
20 Clues: process that gives off heat.. out • everything that surrounds the system • something you focus all attention on • equation including an enthalpy change • (out of a system) measure of heat flow • potential energy: stored in chemical bonds • the enthalpy change for a chemical equation • the heat content of a system at a constant pressure • ...
Chemistry Puzzle 2018-03-22
Across
- a well-substantiated explanation of some aspect of the natural world.
- Atomic Mass weighted average of the atomic masses for the isotopes of an element
- table a table that classifies chemical elements. Arranged by atomic number and families that have similar characteristics.
- Homogeneous mixture with particles so small that they cannot be seen with a microscope.
- the elements or compounds produced by a chemical reaction.
- atom that has a positive or negative charge.
- the vertical columns of the periodic table.
- a procedure or process for obtaining an objective.
- Mixture Contains 2 or more gases, liquids, or solids substances blended evenly.
- the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity
- Figures the number of all known digits reported in measurements plus one estimated digit.
- the amount of space an object takes up.
- these have some properties of metals and some of nonmetals.
- Number the number of protons in an atom.
- composed of the elements hydrogen and oxygen. this is an example of a compound.
- Number protons + neutrons.
Down
- Mixture Mixture in which different materials can easily be distinguished.
- these have a positive electrical charge.
- Number 6.022 x 10^23. The number of particles in exactly one mole of a pure substance.
- a substance in the fluid state of matter having no fixed shape but a fixed volume
- The ability to do work or cause change.
- have a shiny or metallic luster, good conductors of heat and electricity.
- Analysis a technique of problem-solving that uses the units that are part of a measurement to help solve the problem.
- these have no electrical charge, they are neutral.
- This means two parts hydrogen.
- The basic particle from which all elements are made.
- A pure substance made of two or more elements chemically combined in a set ratio.
- Mass the mass of one mole of a pure substance.
- move around the nucleus electrons.
29 Clues: Number protons + neutrons. • This means two parts hydrogen. • move around the nucleus electrons. • The ability to do work or cause change. • the amount of space an object takes up. • these have a positive electrical charge. • Number the number of protons in an atom. • the vertical columns of the periodic table. • atom that has a positive or negative charge. • ...
Chemistry Vocab 2018-02-15
Across
- drawn into thin wire
- family in periodic table
- made up of multiple atoms
- between molecules
- able to change shape
- subatomic particle
- state of being reactive
- substance is changed
- characterisitc
- metal and nonmetals
Down
- determines shape of molecule
- nonmetals only
- within molecules
- mixed together
- ability to dissolve
- bonded together
- shows bonding structure
- negatively charged
- positively charged
- shape is the same
20 Clues: nonmetals only • mixed together • characterisitc • bonded together • within molecules • between molecules • shape is the same • subatomic particle • negatively charged • positively charged • ability to dissolve • metal and nonmetals • drawn into thin wire • able to change shape • substance is changed • shows bonding structure • state of being reactive • family in periodic table • ...
Chemistry Crossword 2019-11-08
Across
- Metals most reactive metal
- System a system which occurs in a given area
- compound non-metal+ non-metal
- Substance made up of one type of matter
- word that means 3
- releases heat energy
- cloudy mixture that can be separated
- a new substance produced in a chemical reaction between reactants
- in between metals and non-metals
- chemical combination of two or more elements in a specific ratio
- word that means 5
- Gases the most stable and unreactive
- word that means 1
Down
- ionized gas
- word that means 2
- absorbs heat energy
- columns
- made up of two or more substances combined together
- rows
- cloudy mixture that cannot be separated
- word that means 4
- compound metal+non-metal
- word that means 6
- is the most abundant in the Periodic Table of Elements
- system a system which one or more products of a chemical reaction can escape
25 Clues: rows • columns • ionized gas • word that means 2 • word that means 3 • word that means 4 • word that means 6 • word that means 5 • word that means 1 • absorbs heat energy • releases heat energy • compound metal+non-metal • Metals most reactive metal • compound non-metal+ non-metal • in between metals and non-metals • cloudy mixture that can be separated • Gases the most stable and unreactive • ...
Sudduth - Chemistry 2019-10-17
Across
- a substance deposited in solid form from a solution.
- matter cannot be created nor destroyed
- visible parts in the solution
- something that can be experienced with the senses
- composed of two or more bonded elements
- a change which does not form a new substance
- what is formed from a reaction
- group of the same atom bonded together
- on the left side of a yield sign
Down
- chemicals combine in specific amounts
- a trait which cannot be experienced with the senses
- mixture
- a reaction which does form a new substance
- smallest part of any element
- man given credit for organizing the periodic table
- a table in which the elements are organized
- mass of an atom
- no visible parts in the solution
- 118 found in the periodic table
- relation between 2 numbers in which they are set whole numbers
20 Clues: mixture • mass of an atom • smallest part of any element • visible parts in the solution • what is formed from a reaction • 118 found in the periodic table • no visible parts in the solution • on the left side of a yield sign • chemicals combine in specific amounts • matter cannot be created nor destroyed • group of the same atom bonded together • ...
aniya-chemistry 2019-10-17
Across
- are the positive charge in atoms
- materials that are mixed together
- is a mixture that is all the same
- is a property that changes the form of matter chemically
- is a change that dose not happen to its chemical form
- is a mixture that is not all the same
- when something is overly filled
- are materials that you start with
- the partial that cannot be broken down into smaller pieces
Down
- is made up of atoms and cannot be broken down
- an atom with an negative charge
- two substances that form together to make a new substance
- atoms bonded together
- is a change that happens to the chemical form
- is a property that dose not go through that dose not change the matter or form chemically
- are materials that in a chemical equation that you end with
- is a fusion of two or more atoms
- is the weight of how many atoms in something
- was the man who created the current periodic table
- of definite proportion chemicals combined in specific amount
- is the middle part of an atom
21 Clues: atoms bonded together • is the middle part of an atom • an atom with an negative charge • when something is overly filled • are the positive charge in atoms • is a fusion of two or more atoms • materials that are mixed together • is a mixture that is all the same • are materials that you start with • is a mixture that is not all the same • ...
Chemistry Y7 2020-03-31
Across
- Is molten rock generated by geothermal energy and expelled through fractures in planetary crust.
- Process: Gathering of rocks
- Molten metamorphic rocks.
- The middle of the Earth.
- "Water" that can damage rocks.
- Igneous rocks can be found here.
- Is an object sea life hides in
- The soil which hols the water.
- Change of state: Solid to liquid.
- A dangerous type of Weathering.
- Is a rigid organ that constitutes part of the vertebrate skeleton in animals.
- Some kind of rock which lets the water go through.
- Small particles which have a little bit of space between them.
- You can find it the mantel, it's a type of rock
- This can cause ...(answer from 10) weathering.
- Caused by repeated melting and freezing of water.
- Comes from the sky and can destroy parts of the Earth.
- Phenomena which can destroy the rocks
- A fraction of soil, organic matter.
- The first layer of the Earth.
Down
- Helps the Soil to not be overflowed.
- The type of weathering which is caused by living organisms.
- Forms using sedimentation
- Weathering caused by different forces.
- Is the flow of gases on a large scale.
- What is found under the continents and move on magma.
- All the fossils in different rocks make up this.
- Reverse change for solid to liquid
- Most commonly relates to volcanoes. Lava coming to surface.
- The planet you're living on.
- Is a solid material whose constituents are arranged in a highly ordered. Has just pure compounds.
- Fossils may have these from animals which have legs.
- The space that remains in rocks after an organism is decomposed in them
- A liquid layer below the mantle.
- The layer which is below the crust.
- It's formed from cooled magma.
- Can be found in rocks
- Is the solid remains of fires.
38 Clues: Can be found in rocks • The middle of the Earth. • Forms using sedimentation • Molten metamorphic rocks. • Process: Gathering of rocks • The planet you're living on. • The first layer of the Earth. • "Water" that can damage rocks. • Is an object sea life hides in • The soil which hols the water. • It's formed from cooled magma. • Is the solid remains of fires. • ...
Chemistry vocabulary 2021-01-26
Across
- The ability to be drawn out into thin wires
- Property - A measurable characteristic (size, shape, or state ) of matter not involving interactions with other substances (as color, hardness, boiling point).
- - Chemical reaction in which thermal energy is absorbed.
- - Measure of acidity or basicity of a substance.
- - The readiness of a substance to produce hydroxide ions.
- Reaction - Combining substances so that new substances are formed that are not separated by normal chemical means. The new substances have properties different from those of the original substances.
- The amount of space an object occupies.
- Change - Process where one or more substances are altered into new and different substances.
- - Chemical reaction in which thermal energy is released.
- The amount of matter in a defined volume. (density = mass/volume)
- The characteristic of being able to attract because of an electrical force
- - Property of a substance relating to how easily it reacts with other substances.
- The ability to be hammered or pressed down
Down
- - The readiness of a substance to produce hydrogen ions.
- Point - Temperature at which a liquid substance becomes a gas.
- - The external features of a substance.
- - A chemical substance that produces hydroxide ions in solution and tastes bitter.
- The ability to rust do to oxygen
- Point - Temperature at which a solid substance becomes a liquid.
- - A solid substance that forms from a chemical reaction that takes place in a liquid solution.
- Change - A type of change in which the form of matter is altered but one substance is not transformed into another.
- Property - A characteristic of a substance that describes its potential to change when interacting with other substances (reactivity with air or water, combustibility, flammability).
- Measure of the amount of matter in an object.
- - Property of a substance defining how easily it ignites and burns.
- - The characteristic smell of a substance.
- - A chemical substance that produces hydrogen ions in solution and tastes sour.
- - Capacity of an acid to react with a base, measured by the number of hydrogen atoms that can be replaced by a base.
- The ability to produce electricity
- The characteristic of a slow moving sticky substance
29 Clues: The ability to rust do to oxygen • The ability to produce electricity • - The external features of a substance. • The amount of space an object occupies. • - The characteristic smell of a substance. • The ability to be hammered or pressed down • The ability to be drawn out into thin wires • Measure of the amount of matter in an object. • ...
Chemistry Crossword 2021-02-09
Across
- Ionic compounds always have a crystal _______ structure.
- Covalent compounds have _____ bonds.
- these kinds of substances contain one type of atom.
- An atom is mainly made out of _____ space.
- Orange juice is an example of a ___________ mixture.
- Ionic compounds usually have _____ melting and boiling points.
- A type of homogeneous mixture that has microscopically dispersed particles between one to a thousand nanometers.
- Carbon, Oxygen, and Hydrogen must all be present in this reaction.
- Unexpected color change, release of energy, and unexpected temperature change are all _______ of a chemical change.
- 2H2 + O2 → 2H2O is an example of a _______ reaction.
- _______ compounds are formed when the electrons from metals are transferred over to nonmetals.
- the center of the atom where protons and neutrons are found.
Down
- In chemicals equations both sides must be balanced to achieve _______.
- A type of mixture that is not uniform in terms of composition.
- Pure substances include elements and _______.
- These types of mixture are not evenly distributed and can be separated by a physical process.
- Melting ice cream is an example of this type of change.
- A type of chemical bond formed when atoms share electrons.
- __Al + 3O2 → 2Al2O3 (write it in word form).
- Most nonmetals that form ionic bonds have _____ to seven valence electrons.
- C2H4 + 3O2 → __CO2 + 2H2O (write it in word form).
21 Clues: Covalent compounds have _____ bonds. • An atom is mainly made out of _____ space. • __Al + 3O2 → 2Al2O3 (write it in word form). • Pure substances include elements and _______. • C2H4 + 3O2 → __CO2 + 2H2O (write it in word form). • these kinds of substances contain one type of atom. • Orange juice is an example of a ___________ mixture. • ...
General chemistry 2020-04-30
Across
- property also called extrinsic property
- bond in which two atoms share one pair of electrons'
- branch of chemistry that applies physics to the study of chemistry
- zeros used as placeholders in a large number without a decimal point are not significant
- if the number is less than 1, then only the zeros at the end of the number and the zero between nonzero digits are significant
- zeros to the left of the first nonzero digits are not significant
- can be measured and observed without changing the composition of the substance
- for numbers with trailing zero that do not contain a decimal point, the zeros may or may not be significant
- the digits in any measurement that are known with certainty plus one digit which is uncertain
- occur when the internal make-up of the matter stays the same.
- give the number of significant figure of 301 cm
- if the number is greater than 1, then all the zeros written to the right of the decimal point are significant
- all nonzero digits are significant
- process of converting liquid to gas
- process of separating the components of a suspension
- study of inorganic compounds
- composition varies from one position to another
- process of determining the extent of the dimensions, quantity or extent of something
- tells how close a measured value is to the "true" values
- refers to how the values agree closely with one another
- give the number of significant figure of 60.0 min
- process by which a substance changes from the solid phase to the liquid phase
- ability of a substance to react with other substances such as air, water, acid, and base
- ability to scatters a beam or light that passes through it
- process in which a conversion factor written in a form of ratio
Down
- branch of chemistry that studies the structure, properties and reactions of organic compounds
- the separation of a mixture by passing it in solution or suspension
- give the number of significant figure of 2355 mm
- consist of a dispersed phase or the substance that is dissolved or scattered
- in which an ordinary decimal number is expressed as the product of a number between 1 and 10 times 10 raised to a power.
- branch of science concerned with the chemical and physicochemical processes and substances that occur within living organisms.
- substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds.
- process of separating elemental metals from other particles in a mixture
- process of changing solid to gas
- also called solution
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- composed of two or more substances combined physically
- process of separating a homogeneous mixture composed of two substances with different boiling points.
- property also called as intrinsic property, does not depend on the size of the sample
- aggregate of at least 2 atoms in a definite proportion which bind together using covalent bonds
- studies and uses instruments and methods used to separate, identify, and quantify matter
- occurs when a substance is converted to a new substance
- consist of coarse particles which are visible to the naked eye
- zeros between nonzero digits are significant
- matter that has a definite composition and distinct properties
- give the number of significant figure of 69.4208 ft
- simplest form of matter
- branch of science that deals with the identification of the substances of which matter is composed
- smallest particle of an element
- give the number of significant figure of 0.0580 g
50 Clues: also called solution • simplest form of matter • study of inorganic compounds • smallest particle of an element • process of changing solid to gas • all nonzero digits are significant • process of converting liquid to gas • property also called extrinsic property • zeros between nonzero digits are significant • give the number of significant figure of 301 cm • ...
General Chemistry 2020-06-05
Across
- _____ chemistry is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
- It is denoted by the symbol “M” in the SI that is in the millionth numerical value.
- It is the state of matter when particles are neither too close nor too far from each other.
- It is used to quantify the electric current with the “A” symbol.
- It is anything that has mass and occupies space.
- _____ notation is used in counting the number of significant figures.
- It is denoted by the symbol “T” in the SI that is in the trillionth numerical value
- It is a mixture that is also called as solution since it is relatively uniform in composition.
- It is denoted by the symbol “d” in the SI that is in the tenth numerical value.
- It is used to quantify the mass with the “kg” symbol.
- It is denoted by the symbol “G” in the SI that is in the billionth numerical value.
- It occurs when solid turns into gas by the addition of heat.
- It is used to quantify the temperature with the “K” symbol.
- It is used to quantify the length with the “m” symbol.
- In addition and ______, the answer must have the same number of decimal places as the measured number with the least number of decimal places.
- It is denoted by the symbol “p” in the SI that is in the trillionth numerical value.
- It occurs when gas turns into solid.
- This physical property is also called as intrinsic property that does not depend on the size or amount of the sample.
- It is denoted by the symbol “m” in International System of Units in the thousandth numerical value.
- Hand ____ is the simplest method in separating mixtures.
- It is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
- It is denoted by the symbol “c” in the SI that is in the hundredth numerical value.
- It is the simplest form of matter since it is composed of only one kind of atom.
- It is a mixture whose composition varies from one position to another within the sample.
- In _____ and division, the answer must have the same number of significant figures as the measured number with the lowest number of significant figures.
Down
- It is the state of matter when particles are very close to each other.
- A type of chemical property: whether it reacts with acids, bases, and oxygen, gas, or not.
- _____ chemistry is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles and concepts of physics such as motion, energy, force, and time.
- This type of change occurs when the internal make-up of the matter stays the same even after the change.
- It is the process of determining the extent of the dimensions, quantity, or extent of something.
- ____s between nonzero digits are significant.
- It is used to quantify the time with the “s” symbol.
- It is the process of converting liquid to gas.
- It is generally used by farmers to separate grains from stalks after harvesting.
- This type of change occurs when a substance is converted into a new substance.
- Extensive physical property is also called as _____ property.
- It refers to how the values agree closely with one another.
- It is the smallest particle of an element.
- A type of chemical property: whether the substance can be easily decomposed or not.
- It is the process of separating elemental metals from other particles in a mixture.
- These are composed of two or more substances combined physically in variable proportions.
- It exhibits the Tyndall Effect. It consist of dispersed phase or the substance that is dissolved or scattered.
- It is the state of matter when particles are far apart from each other.
- ____ figures are the digits in any measurement that are known with certainty, plus one digit which is uncertain.
- A type of chemical property: whether the substance undergoes combustion or not.
- It is a simple technique for separating dry mixtures.
- A type of chemical property: whether the substance can damage an organism or not.
- It is a process of separating the components of a suspension. An example of a mixture that can be separated through this is sand and water solution.
- A type of chemical property: whether it will break into charged particles when in solution with water or not.
- It tells how close a measured value is to the “true” value.
50 Clues: It occurs when gas turns into solid. • It is the smallest particle of an element. • ____s between nonzero digits are significant. • It is the process of converting liquid to gas. • It is anything that has mass and occupies space. • It is used to quantify the time with the “s” symbol. • It is used to quantify the mass with the “kg” symbol. • ...
General Chemistry 2020-05-24
Across
- unit of mass, it's abbreviation is lbs.
- scale where the freezing point is 32° _ and it's oiling point is 212° _
- 1 kilogram is equivalent to 1000 _____
- the most time consuming but easiest way of separating substance
- point when the temperature reaches 0° C
- measures the amount of matter in
- a process that uses a high boiling point in removing particles or bacteria
- the surface's characteristic, often describe with the words soft, rough, etc.
- a pure substance or any mixture
- amount of space that is occupied
- a process where they use sifters to separate a dry mixture
- this measurement's symbol is d
- used in measuring the width of something
- amount of space that is occupied by the material, it is a n extensive property
- _____ zeros are never significant
- appearance of an object in respect of the reflection of the light
- conversion of gas to liquid
- it refers to when a substance will burn when it encountered fire or flame
- has the same physical and chemical properties
- a branch of science that focuses on the study of matter composition and chemical reaction as well as structure
- studies about drugs and it's reaction to an organism
- studies the effect of poisons on living organism
- wherein it studies the reaction of a chemical that's in a living things
- amount of a substance
Down
- mixture wherein you can see the two different substance with the naked eye
- chemistry studies the behavior and changes of a matter
- goes straight from solid state through gas without passing the liquid stage
- quantity of mass
- chemistry deals with the composition of a substance
- all non-zero digits are ____
- a process where they use magnets to separate a material from the mixture
- a state in which particles are flowing with each other
- study of hereditary and genes
- this measurement's factor is 10¹²
- it's a process where it is separated by heat that turns liquid into gas
- point in which the temperature causes the substance to melt
- separated based on the inner molecular attraction
- when two or more substance are combined but still has their own chemical identities
- the study of the arrangement of atoms and it's physical and chemical effect on a substance
- sum of chemical reaction in living things
- this measurement's symbol is M
- mixture that are combined thoroughly that you can't distinguish the elements
- system composed of seven basic units, it is used around the world.
- point it is when the temperature causes the substance to boil
- a state of matter where the particles are loosely scattered and are far away from each other
- a state of matter wherein the particles are compact with each other tightly
- can't be split into simpler components
- when two elements are chemically combined
- commonly used for measuring the time
- smallest particle of matter
50 Clues: quantity of mass • amount of a substance • conversion of gas to liquid • smallest particle of matter • all non-zero digits are ____ • study of hereditary and genes • this measurement's symbol is d • this measurement's symbol is M • a pure substance or any mixture • measures the amount of matter in • amount of space that is occupied • this measurement's factor is 10¹² • ...
General Chemistry 2020-05-25
Across
- Anything that has mass and occupies space
- Organic compound with carbon and oxygen only
- Separates components of mixture at different boiling points.
- Element that appears at the far right side of the periodic table
- Compound that consists of two charged ions
- Substance consisting of only one kind of atom
- Elements at the left side and in the center of the periodic table
- a metric unit of length equal to one hundredth of a meter.
- the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- it is a branch of chemistry that studies the structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
- Formed when atom loses or gains electron
- Horizontal row in the periodic table
- a substance or object that is solid rather than liquid or fluid
- the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact combine and change; and the use of these processes to form new substances.
- Uncharged particle found within the atomic nuclei
- a substance or matter in a state in which it will expand freely to fill the whole of a container having no fixed shape and no fixed volume.
- the size length or amount of something as established by measuring.
- insert gas located at the rightmost side of the periodic table
- the quality, condition, or fact of being exact and accurate.
- the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- physical property that does not depend on the size or amount of the sample
- Phase change in which liquid is converted to solid
Down
- Elements found in the zigzag order in the periodic table
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
- it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
- The quantity of matter in the body
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- movement of one fluid through another.
- the measurement or extent of something from end to end.
- inner transition elements located in the first row of the f block in the periodic table
- bond Formed by losing and gaining of electrons between metal and nonmetal
- Called as solution a mixture with uniform composition.
- it is a branch of chemistry that studies the chemical processes within and relating to living organisms. Biochemical processes give rise to the complexity of life.
- a period of time equal to sixty seconds or a sixtieth of an hour.
- Positively charged subatomic particle of an atom
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- Composed of two or more substances combined physically in variable proportions
- Mixture whose a composition varies from position to position within a sample.
- Phase change that involves the conversion from solid to liquid
- Negatively charged subatomic particle of an atom
- Specific energy value of electrons for an atom
- phase change in which liquid is converted to gas
- The separation of elemental metals from the mixtures
- Ratio of the mass of an object to the volume occupied by that object.
- Group 7A elements
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- The amount of space occupied by a substance
- The sum of the number of protons and neutrons in its nucleus
- a metric unit of capacity formerly defined as the volume of one kilogram of water under standard conditions now equal to 1 000 cubic centimeters
51 Clues: Group 7A elements • The quantity of matter in the body • Horizontal row in the periodic table • movement of one fluid through another. • Formed when atom loses or gains electron • Anything that has mass and occupies space • Compound that consists of two charged ions • The amount of space occupied by a substance • Organic compound with carbon and oxygen only • ...
General Chemistry 2020-05-25
Across
- Anything that has mass and occupies space
- Organic compound with carbon and oxygen only
- Separates components of mixture at different boiling points.
- Element that appears at the far right side of the periodic table
- Compound that consists of two charged ions
- Substance consisting of only one kind of atom
- Elements at the left side and in the center of the periodic table
- a metric unit of length equal to one hundredth of a meter.
- the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- it is a branch of chemistry that studies the structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
- Formed when atom loses or gains electron
- Horizontal row in the periodic table
- a substance or object that is solid rather than liquid or fluid
- the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact combine and change; and the use of these processes to form new substances.
- Uncharged particle found within the atomic nuclei
- a substance or matter in a state in which it will expand freely to fill the whole of a container having no fixed shape and no fixed volume.
- the size length or amount of something as established by measuring.
- insert gas located at the rightmost side of the periodic table
- the quality, condition, or fact of being exact and accurate.
- the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- physical property that does not depend on the size or amount of the sample
- Phase change in which liquid is converted to solid
Down
- Elements found in the zigzag order in the periodic table
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
- it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
- The quantity of matter in the body
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- movement of one fluid through another.
- the measurement or extent of something from end to end.
- inner transition elements located in the first row of the f block in the periodic table
- bond Formed by losing and gaining of electrons between metal and nonmetal
- Called as solution a mixture with uniform composition.
- it is a branch of chemistry that studies the chemical processes within and relating to living organisms. Biochemical processes give rise to the complexity of life.
- a period of time equal to sixty seconds or a sixtieth of an hour.
- Positively charged subatomic particle of an atom
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- Composed of two or more substances combined physically in variable proportions
- Mixture whose a composition varies from position to position within a sample.
- Phase change that involves the conversion from solid to liquid
- Negatively charged subatomic particle of an atom
- Specific energy value of electrons for an atom
- phase change in which liquid is converted to gas
- The separation of elemental metals from the mixtures
- Ratio of the mass of an object to the volume occupied by that object.
- Group 7A elements
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- The amount of space occupied by a substance
- The sum of the number of protons and neutrons in its nucleus
- a metric unit of capacity formerly defined as the volume of one kilogram of water under standard conditions now equal to 1 000 cubic centimeters
51 Clues: Group 7A elements • The quantity of matter in the body • Horizontal row in the periodic table • movement of one fluid through another. • Formed when atom loses or gains electron • Anything that has mass and occupies space • Compound that consists of two charged ions • The amount of space occupied by a substance • Organic compound with carbon and oxygen only • ...
General Chemistry 2020-05-25
Across
- it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- movement of one fluid through another.
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- the branch of science that deals with the identification of the substances of which matter is composed.
- Elements at the left side and in the center of the periodic table
- bond Formed by losing and gaining of electrons between metal and nonmetal
- Negatively charged subatomic particle of an atom
- Positively charged subatomic particle of an atom
- it is a branch of chemistry that studies the structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
- Uncharged particle found within the atomic nuclei
- a substance or object that is solid rather than liquid or fluid
- the quality or state of being correct or precise.
- Mixture whose a composition varies from position to position within a sample.
- The quantity of matter in the body
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- inner transition elements located in the first row of the f block in the periodic table
- the quality, condition, or fact of being exact and accurate.
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
- a metric unit of length equal to one hundredth of a meter.
- Called as solution a mixture with uniform composition.
Down
- Element that appears at the far right side of the periodic table
- The sum of the number of protons and neutrons in its nucleus
- it is a branch of chemistry that studies the chemical processes within and relating to living organisms. Biochemical processes give rise to the complexity of life.
- Elements found in the zigzag order in the periodic table
- a substance or matter in a state in which it will expand freely to fill the whole of a container having no fixed shape and no fixed volume.
- Horizontal row in the periodic table
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- phase change in which liquid is converted to gas
- The separation of elemental metals from the mixtures
- a metric unit of capacity formerly defined as the volume of one kilogram of water under standard conditions now equal to 1 000 cubic centimeters
- Organic compound with carbon and oxygen only
- the size length or amount of something as established by measuring.
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- the measurement or extent of something from end to end.
- the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- Compound that consists of two charged ions
- Ratio of the mass of an object to the volume occupied by that object.
- The amount of space occupied by a substance
- insert gas located at the rightmost side of the periodic table
- Anything that has mass and occupies space
- a chemical substance that neutralizes some elements.
- the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- Substance consisting of only one kind of atom
- a period of time equal to sixty seconds or a sixtieth of an hour.
- Composed of two or more substances combined physically in variable proportions
- Group 7A elements
- Phase change that involves the conversion from solid to liquid
- Specific energy value of electrons for an atom
- Separates components of mixture at different boiling points.
- Formed when atom loses or gains electron
- Phase change in which liquid is converted to solid
52 Clues: Group 7A elements • The quantity of matter in the body • Horizontal row in the periodic table • movement of one fluid through another. • Formed when atom loses or gains electron • Anything that has mass and occupies space • Compound that consists of two charged ions • The amount of space occupied by a substance • Organic compound with carbon and oxygen only • ...
General Chemistry 2020-05-25
Across
- it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
- it is a branch of chemistry that studies the chemical processes within and relating to living organisms. Biochemical processes give rise to the complexity of life.
- it is a branch of chemistry that studies the structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
- Horizontal row in the periodic table
- Separates components of mixture at different boiling points.
- the quality or state of being correct or precise.
- The sum of the number of protons and neutrons in its nucleus
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
- Elements at the left side and in the center of the periodic table
- a metric unit of length equal to one hundredth of a meter.
- the measurement or extent of something from end to end.
- Called as solution a mixture with uniform composition.
- movement of one fluid through another.
- Formed by losing and gaining of electrons between metal and nonmetal
- Anything that has mass and occupies space
- insert gas located at the rightmost side of the periodic table
- Ratio of the mass of an object to the volume occupied by that object.
- the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- inner transition elements located in the first row of the f block in the periodic table
- Mixture whose a composition varies from position to position within a sample.
- the branch of science that deals with the identification of the substances of which matter is composed.
- a metric unit of capacity formerly defined as the volume of one kilogram of water under standard conditions now equal to 1 000 cubic centimeters
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- a result without the expected content
- a period of time equal to sixty seconds or a sixtieth of an hour.
- Formed when atom loses or gains electron
- Substance consisting of only one kind of atom
Down
- Composed of two or more substances combined physically in variable proportions
- The separation of elemental metals from the mixtures
- Elements found in the zigzag order in the periodic table
- Uncharged particle found within the atomic nuclei
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- a substance or matter in a state in which it will expand freely to fill the whole of a container having no fixed shape and no fixed volume.
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- The quantity of matter in the body
- Compound that consists of two charged ions
- Negatively charged subatomic particle of an atom
- Phase change in which liquid is converted to solid
- Organic compound with carbon and oxygen only
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- Positively charged subatomic particle of an atom
- Group 7A elements
- The amount of space occupied by a substance
- the quality, condition, or fact of being exact and accurate.
- Specific energy value of electrons for an atom
- the size length or amount of something as established by measuring.
- phase change in which liquid is converted to gas
- a substance or object that is solid rather than liquid or fluid
- Phase change that involves the conversion from solid to liquid
- Element that appears at the far right side of the periodic table
52 Clues: Group 7A elements • The quantity of matter in the body • Horizontal row in the periodic table • a result without the expected content • movement of one fluid through another. • Formed when atom loses or gains electron • Anything that has mass and occupies space • Compound that consists of two charged ions • The amount of space occupied by a substance • ...
General Chemistry 2020-05-25
Across
- a substance or matter in a state in which it will expand freely to fill the whole of a container having no fixed shape and no fixed volume.
- the quality, condition, or fact of being exact and accurate.
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- the measurement or extent of something from end to end.
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- a substance or object that is solid rather than liquid or fluid
- Element that appears at the far right side of the periodic table
- Organic compound with carbon and oxygen only
- the quality or state of being correct or precise.
- Horizontal row in the periodic table
- it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
- a metric unit of length equal to one hundredth of a meter.
- movement of one fluid through another.
- Composed of two or more substances combined physically in variable proportions
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- Elements found in the zigzag order in the periodic table
- Mixture whose a composition varies from position to position within a sample.
- Anything that has mass and occupies space
- Called as solution a mixture with uniform composition.
- Ratio of the mass of an object to the volume occupied by that object.
- Elements at the left side and in the center of the periodic table
- Phase change in which liquid is converted to solid
Down
- it is a branch of chemistry that studies the structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- Group 7A elements
- The separation of elemental metals from the mixtures
- Separates components of mixture at different boiling points.
- a result without the expected content
- The amount of space occupied by a substance
- Negatively charged subatomic particle of an atom
- it is a branch of chemistry that studies the chemical processes within and relating to living organisms. Biochemical processes give rise to the complexity of life.
- phase change in which liquid is converted to gas
- Positively charged subatomic particle of an atom
- inner transition elements located in the first row of the f block in the periodic table
- the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- Formed when atom loses or gains electron
- Formed by losing and gaining of electrons between metal and nonmetal
- a metric unit of capacity formerly defined as the volume of one kilogram of water under standard conditions now equal to 1 000 cubic centimeters
- insert gas located at the rightmost side of the periodic table
- the branch of science that deals with the identification of the substances of which matter is composed.
- The sum of the number of protons and neutrons in its nucleus
- a period of time equal to sixty seconds or a sixtieth of an hour.
- The quantity of matter in the body
- Substance consisting of only one kind of atom
- Phase change that involves the conversion from solid to liquid
- Compound that consists of two charged ions
- Uncharged particle found within the atomic nuclei
- Specific energy value of electrons for an atom
51 Clues: Group 7A elements • The quantity of matter in the body • Horizontal row in the periodic table • a result without the expected content • movement of one fluid through another. • Formed when atom loses or gains electron • Anything that has mass and occupies space • Compound that consists of two charged ions • The amount of space occupied by a substance • ...
General Chemistry 2020-05-04
Across
- a branch of chemistry that studies and uses instruments and methods used to separate, identify, and quantify matter.
- tells how close a measured value is to the "true" value
- a physical property of matter that changes when the amount of matter in a sample changes. Examples are mass, volume, length, and charge.
- has no definite shape and volume and the structure of particles are far away from each other.
- a property of matter that shows no change in composition when a substance is seperated.
- a process in which a conversion factor which is written in a form of ratio is used to change the units given in the data to the units desired.
- a state of matter that is often thought of as a subset of gases, but the two states behave very differently.
- number of protons present in the nucleus of every atom
- combination of at least two atoms in a definite proportion, bound together by covalent bonds
- mass of an atom
- separation of a mixture by passing it in solution or suspension or as a vapor through a medium in which the components move at different rates.
- energy required to remove an electron from the atom
- one way of seperating a mixture used when 2 solids are going to be seperated.
- tells an object how hot or cold an object is.
- is concerned with the properties and behavior of inorganic compounds, which include metals, minerals, and organometallic compounds.
- the quantity of matter in an object.
- a branch of science that involves the study of the composition, structure and properties of matter.
- ion that has a positive net charge
- water molecules in the air cool and slow down and the attractions overcome their speed and join together, forming liquid water.
- ion with negative net charge
- process by which a substance changes from the solid phase to the liquid phase.
- he transition of a substance directly from the solid to the gas state, without passing through the liquid state.
- it has a characteristics of indefinite shape but has definite volume; the structure of particles are close together.
- tabular display of the chemical elements
- process of separating components of mixtures by using magnets to attract magnetic materials.
Down
- way of seperating a mixture used when a liquid and a solid is going to be seperated.
- a phase transition in which gas transforms into solid without passing through the liquid phase.
- anything that has mass and takes up space
- branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
- is the process of determining the extent of the dimensions, quantity, or extent of something.
- kr;noble gas
- a physical property of matter that does not change as the amount of matter change; it doesnt affect the value, amount or condition of a certain substance.
- molecule that contains only two atoms
- a substance made by combining two or more different materials in such a way that no chemical reaction occurs.
- the study of chemical processes within and relating to living organisms.
- a phase transition where a liquid turns into a solid when its temperature is lowered below its freezing point.
- one of the states of matter that has a definite shape & volume and the structure of particles is very compact.
- a state of matter that occurs when a group of atoms cooled to within a hair of absolute zero. When they reach that temperature the atoms are hardly moving relative to each other; they have almost no free energy to do so.
- a property of matter that shows a big change in composition when a substance is seperated.
- the digits in any measurement that are known with certainty, plus one digit which is uncertain.
- occurs when the surface of the liquid is exposed, allowing molecules to escape and form water vapor.
- expressed as N x 10^n
- amount of space occupied by a substance.
- molecule that consists of more than two atoms
- one of the common measurements done in laboratory; involves getting mass,volume and temperature of an object.
- is the ratio of the mass of an object to the volume it occupies.
- refers to how the values agree closely with one another
- a pure substance that is made from a single type of atom.
- 2 or more different elements combined
50 Clues: kr;noble gas • mass of an atom • expressed as N x 10^n • ion with negative net charge • ion that has a positive net charge • the quantity of matter in an object. • molecule that contains only two atoms • 2 or more different elements combined • amount of space occupied by a substance. • tabular display of the chemical elements • anything that has mass and takes up space • ...
General Chemistry 2020-06-01
Across
- their particles are neither too close nor to far from each other.
- whether the substance undergoes combustion or not.
- 1 000 000 000
- can be affected by the size and amount of samples.
- it floats.
- elements react with each other to form a compound.
- independent from the base unit they modify and always remain constant.
- does not depend on the size or amount of the sample.
- whether the substance can be easily decomposed or not.
- process of separating a homogeneous mixture composed of two substances with different boiling points.
- their particles are far apart from each other.
- process of changing solid to liquid state.
- 0.000000000001
- symbol of Mole.
- one of the common measurements done in the laboratory.
- 0.000000001
- matter are those that can be measured and observed without changing the composition of the substance.
- tells how hot or cold an object is.
- composed of two or more substance combined physically in variable proportions.
- processes of separating heterogeneous mixture.
- is a matter that has a definite composition and distinct properties.
- a certain quantitative value is relatively close to the true value.
- a solution is composed of a solute or the dissolving substance, and a solvent or the dissolving medium.
- 1 000
Down
- ability of a substance to react with other substance.
- whether it reacts with acids, bases, and oxygen, gas, or not.
- is the simplest form of matter since it is composed of only one kind of atom.
- process of changing solid to gas without passing through liquid state.
- whether the material is more active or less active than other members of it's chemical family.
- process of converting liquid to gas.
- is anything that has mass and occupies space.
- the digits in any measurement that are known with certainty with an additional one digit which is uncertain.
- occurs when a substance is converted to a new substance.
- the amount of space occupied by a substance.
- the quantity of the matter in the object.
- their particles are very close to each other.
- unit of cd.
- the consistency of a result.
- is a process of separating the components of a suspension.
- it sinks.
- whether the substance can damage an organism or not.
- whether it will break into charged particles when in solution with water or not.
- the process of simplifying a very large number or very small and it used to express multidigit numbers involving many zeros.
- another method of separating mixture.
- other uncertainties may come from a flaw in the equipment used or the design of an experiment.
- result from the effects of uncontrolled variables.
- process of separating elemental metals from other particles in a mixture.
- the matter stays the se even after the change only shape, size, and state are altered.
- a mixture can be either a suspension or colloid.
- the ratio of the mass of an object to the volume it occupies.
50 Clues: 1 000 • it sinks. • it floats. • unit of cd. • 0.000000001 • 1 000 000 000 • 0.000000000001 • symbol of Mole. • the consistency of a result. • tells how hot or cold an object is. • process of converting liquid to gas. • another method of separating mixture. • the quantity of the matter in the object. • process of changing solid to liquid state. • ...
Chemistry Crossword 2020-05-31
Across
- - a membrane-bound organelle that contains genetic material (DNA) of eukaryotic organisms.
- - accompanied by or requiring the absorption of heat.
- - a organized chart of all the elements.
- - is the phase transition in which gas transforms into solid without passing through the liquid phase
- - the process of separating the components or substances from a liquid mixture by using selective boiling and condensation.
- - the medieval forerunner of chemistry, based on the supposed transformation of matter. It was concerned particularly with attempts to convert base metals into gold or to find a universal elixir
- - a property that describes a substances ability to participate in chemical reaction.
- – a compound that lacks carbon-hydrogen bond
- - a branch of chemistry that deals with the study of chemical processes that occur inside of living organisms.
- - the mass of an atom of a chemical element expressed in atomic mass units.
- - 2 or more substances compound physically in variable proponents.
- – is the science of obtaining, processing, and communicating information about the composition and structure of matter.
- - it has a definite shape and a definite volume.
- - composed of 2 or more atom.
- - is an atom or molecule that has a net electrical charge
- - a negatively charged ion
- - is known as the originator of the quantum theory of energy.
- - uniterm in composition.
- - is the change of the physical state of matter from the gas phase into the liquid phase
- - is any process which requires or absorbs energy from its surroundings, usually in the form of heat
- - the process or effect of simplifying a single chemical entity into two or more fragments
Down
- - it has indefinite shape and a definite volume, takes shape of a container.
- - is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
- - type of matter and the way matter is arranged.
- - the natural science that studies matter, its motion and behavior through space and time, and the related entities of energy and force.
- - the smallest constituent unit of ordinary matter that constitutes a chemical element.
- – is the separation of a mixture by passing it in solution or suspension or as a vapor (as in gas chromatography) through a medium in which the components move at different rates.
- - chemical element is the number of protons found in the nucleus of every atom of that element
- - the ability of a chemical to burn or ignite, causing fire combustion.
- - is the conversion of one chemical element or isotope into another.
- – it alters the composition of the original matter
- - is a form of matter in which many of the electrons wander around freely among the nuclei of the atoms.
- – a compound that contains carbon-hydrogen bond
- – the one who developed the periodic table
- - is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.
- - A state of matter that have an indefinite shape and indefinite volume.
- - significant rule non-zero digits are always
- – is one of the most important part of Physical chemistry
- - is a phase transition in which a liquid turns into a solid when its temperature is lowered to or below its freezing point
- - is the transition of a substance directly from the solid to the gas state, without passing through the liquid state
- – discovered the Polonium and Radium
- - is an experimental gas law relating the volume of a gas to the amount of substance of gas present.
- - a chemical reaction that releases energy.
- - who put the pieces of the puzzle together and developed an atomic theory in 1803
- - a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions
- - a subatomic particle, with a positive electric charge.
- - a subatomic particle, with a negative electric charge
- - Any substance that has mass and takes up space.
- - a positively charged ion
- – an expert in chemistry
50 Clues: – an expert in chemistry • - uniterm in composition. • - a negatively charged ion • - a positively charged ion • - composed of 2 or more atom. • – discovered the Polonium and Radium • - a organized chart of all the elements. • – the one who developed the periodic table • - a chemical reaction that releases energy. • – a compound that lacks carbon-hydrogen bond • ...
GENERAL CHEMISTRY 2020-06-03
Across
- _______ conceptualized chemical elements into the first rudimentary periodic tables.
- He asserted that all pure substances were homoeomerous and composed of the elements air, earth, fire, and water.
- Liquid to Gas
- Gas to Liquid
- The sticking together of particles of the same substance.
- Is the branch of science that explores the chemical proce, or scattered.
- Ability to scatter a beam of light that passes through it.
- Accompanied by or requiring the absorption of heat.
- It consists of a gas of ions – atoms which have some of their orbital electrons removed – and free electrons.
- Ability of solute to dissolve in a solvent to form a solution.
- Solid to Gas
- Solid to Liquid
- Consist of a dispersed phase or the substance that is dissolved or scattered.
- Composed of only one kind of atom.
- The vertical columns on the periodic table.
- Are a type of subatomic particle with a positive charge.
- The separation of a mixture by passing it in solution or suspension.
- Any of the electronegative elements that form binary salts by direct union with metals.
- A chemical reaction that releases energy through light or heat.
- Non-zero digits are always ________.
- ________ zeros to the right of the decimal are significant.
- Anything that occupies space and has volume.
- Composed of two or more substances combined physically in variable proportions.
- Smallest unit of a matter.
- Are a type of subatomic particle with no charge.
Down
- Is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons.
- ________ zeros are not significant.
- A mixture whose composition varies from one position to another within the sample.
- Consist of a course particle which are visible to the naked eye.
- The atoms are closely packed together.
- Studies and uses instruments and methods used to separate, identify, and quantify matter.
- The study of carbon and its compounds; the study of the chemistry of life.
- The liquid in which a solute is dissolved to form a solution.
- Take on the shape of their container.
- Gas to Solid
- Having minute spaces or holes through which liquid or air may pass.
- Type of subatomic particle with a negative charge.
- Contribute to the degree of accuracy of the value.
- Changes affecting the form of a chemical substance, but not its chemical composition.
- Changes occur when a substance combines with another to form a new substance
- is the process in which atoms, ions or molecules from a substance adhere to a surface of the adsorbent.
- Has no fixed shape and no fixed volume.
- Study of properties, composition, and structure of a matter.
- Universal solvent
- Also called as solution, is relatively uniform in composition.
- Process of converting certain elements into others.
- The ability to flow
- Believed that everything in the universe was made up of atoms, which were microscopic and indestructible.
- The study of compounds not covered by organic chemistry; the study of inorganic compounds, or compounds that don't contain a C-H bond.
49 Clues: Solid to Gas • Gas to Solid • Liquid to Gas • Gas to Liquid • Solid to Liquid • Universal solvent • The ability to flow • Smallest unit of a matter. • Composed of only one kind of atom. • ________ zeros are not significant. • Non-zero digits are always ________. • Take on the shape of their container. • The atoms are closely packed together. • Has no fixed shape and no fixed volume. • ...
GENERAL CHEMISTRY 2020-06-01
Across
- the study of chemical process that occur inside a living organism
- is the consistency of the result
- with the numerical value of 1000000000000
- with the numerical value of 1000
- does not depend on size or amount of sample
- unit of electrical current
- the study of the chemistry of matter'
- unit of time
- whether the substance undergoes combustion or not
- unit of temperature
- unit of length
- is one effective method to separate mixtures comprised with two or more liquids
- is anything that has mass and occupies space
- if it breaks into charged particles or not
- are composed of two or more substances
- with the numerical value of 0.01
- if the substance is toxic or not
- is the quantity of the matter in an object
- this branch applies physics to the study
- is a technique used to separate homogeneous mixture
- consists of coarse particles
- unit of amount of substance
- are those that can be measured
Down
- is the separation of a mixture by passing it in a solution
- is relatively uniform in composition
- can be separated
- is a method used to separate pure substances in mixtures
- is one of the physical science that helps us explain the world
- their particles are far from each other
- tells how hot or cold an object is
- the study of compound not covered by organic chemistry
- with the numerical value of 0.1
- can be affected by the amount of samples
- consists of dispersed particles
- is the amount of space occupied in the object
- is the simplest form of matter
- unit of luminous intensity
- with the numerical value of 1000000
- if the substance is stable or not
- whether it reacts or not
- is the ability of the substance to react to other substances
- particles are close but are not held so rigidly
- is the ratio of the mass of an object to the volume it occupies
- their particles are closed together
- with the numerical value of 1000000000
- the study of carbon and its compounds
- a mixture whose composition varies from one sample to another
- can be separated into simpler substances
- to determine if a certain value is close to the "true" value
- unit of mass
50 Clues: unit of time • unit of mass • unit of length • can be separated • unit of temperature • whether it reacts or not • unit of electrical current • unit of luminous intensity • unit of amount of substance • consists of coarse particles • is the simplest form of matter • are those that can be measured • with the numerical value of 0.1 • consists of dispersed particles • ...
General Chemistry 2020-05-27
Across
- a type of property that does not change when mass of the sample changes.
- it is made up of two or more different types of atoms.
- liquid turns into gas due to increase of temperature
- the quantity that has both a number and a unit
- has definite shape and definite volume
- it is made up of only one type of atom
- the size of an object from side to side
- a mixture of a solute and a solvent
- separating the liquid from solid by using filter paper
- separating a solid from a liquid by pouring it out carefully
- a metric unit of length equal to 100 centimeters
- branch of chemistry in which the rest of the elements are included
- a type of mixture that does not have a uniform composition
- how tall something is
- no definite shape, no definite value
- a substance that is dissolved in a solution.
- type of property for describing and observing matter
- width x length
- the liquid that passes through the filter paper
- a method of separating grains from stalks
- it separates the solution from a liquid and collects the solvent
- a standard unit of length to measure distance. equals to 5,280 feet
- branch of chemistry in which it combines both chemistry and physics
- a way of separating ingredients of a mixture
- one hundredth of a meter
- branch of chemistry in which it talks about the chemistry of life
Down
- a metric unit of length used to measure distances
- how long something is
- a cloud-looking mixture containing small, undissolved particles that do not settle
- a substance in which all the particles are the same
- breaking down the components of both solid
- type of property that you observe when it undergoes in a chemical reaction.
- branch of chemistry in which the main element is carbon
- a method of separating mixture by blowing air or wind
- a measurement of how far it is through space
- a type of mixture that does have a uniform composition. it is also called a "solution"
- a unit of length which equals to 12 inches
- branch of chemistry that talks about analysis; gathering information
- to find out the size of a matter
- a type of property that changes when the mass of the sample changes.
- it uses a magnet to separate a mixture
- has definite volume; no definite shape
- neutral group of compounds;
- a combination of a liquid and a solid
- anything that has mass and take up space
- the smallest unit of matter
- a mixture of two or more metals
- the simplest way of separating mixture
- two or more types of matter that are physically combined
- the liquid substance that does the dissolving in a solution.
50 Clues: width x length • how long something is • how tall something is • one hundredth of a meter • neutral group of compounds; • the smallest unit of matter • a mixture of two or more metals • to find out the size of a matter • a mixture of a solute and a solvent • no definite shape, no definite value • a combination of a liquid and a solid • has definite shape and definite volume • ...
General Chemistry 2020-05-14
Across
- process in which a gas changes directly to a solid without going through the liquid state
- the study of the chemistry of life
- something that was forced to be mixed
- any material that is not a mixture
- Any characteristic that can be determined without changing the substance’s chemical identity.
- is a chemical substance that cant be divided or changed into other chemical substances by any ordinary chemical means
- process used to separate solids from liquids or gases using a strainer
- is a negatively charged subatomic particle
- (state of matter) characterized by particles arranged such that their shape and volume are relatively stable.
- process through which a substance changes from a liquid to a solid
- Any characteristic that can be determined only by changing a substance’s molecular structure.
- to pass through a sieve so as to separate the coarse from the fine particles
- Any characteristic of matter that does not depend on the amount of the substance present.
- chemical element with the symbol Cl
- chemical element with the symbol Si
- is the smallest object that retains the properties of an element
- combination of two or more substances
- is the power to attract
- a neutral subatomic particle found in the atomic nucleus
- the conversion of liquid to gas
- are good conductors of heat
- when heat is applied to solid
- a homogenous mixture of two or more element
- is a subatomic particle found in the nucleus of every atom
- chemical element with the symbol Au
- when a solid is converted directly into gas
Down
- chemical element with the symbol H
- poor thermal conductors
- does not have a definite composition and is non uniform
- A substance made up of two or more elements that are joined together in a fixed ratio.
- occurs when a gas loses energy
- of matter) consisting of particles that have neither a defined volume nor defined shape.
- are ordorless, colorless, monotonic gases.
- the study of the chemistry of matter
- the study of chemistry in physics
- process by which water changes from a liquid to a gas or vapor.
- Also known as semi-metals .have mostly non-metallic properties.
- is a particle made up of two or more atoms that are chemically bonded together
- the substance that is dissolved or scattered
- is the study of matter and the chemical reactions between substances.
- process used to separate solids from liquids or gases using a filter medium that allows the fluid to pass through but not the solid
- a method in which two or more components of different sizes are separated from a mixture on the basis of the difference in their sizes.
- has definite composition, and specific properties.
- the study of chemical processes that occur inside of living organisms
- consists of highly charged particles with extremely high kinetic energy.
- is the method in which heavier components of the mixture are separated from the lighter substances with the help of wind
- the study of inorganic compounds
- is anything that has mass and takes up space.
- (state of matter) has a definite volume, it does not have a definite shape.
- chemical element with the symbol O
- Any characteristic of matter that depends on the amount of matter being measured.
51 Clues: poor thermal conductors • is the power to attract • are good conductors of heat • when heat is applied to solid • occurs when a gas loses energy • the conversion of liquid to gas • the study of inorganic compounds • the study of chemistry in physics • chemical element with the symbol H • the study of the chemistry of life • any material that is not a mixture • ...
General Chemistry 2020-05-14
Across
- are good conductors of heat
- the study of chemistry in physics
- Any characteristic that can be determined without changing the substance’s chemical identity.
- the study of inorganic compounds
- does not have a definite composition and is non uniform
- the conversion of liquid to gas
- is a particle made up of two or more atoms that are chemically bonded together
- when heat is applied to solid
- chemical element with the symbol Si
- has definite composition, and specific properties.
- is a negatively charged subatomic particle
- a method in which two or more components of different sizes are separated from a mixture on the basis of the difference in their sizes.
- the study of the chemistry of matter
- chemical element with the symbol H
- process through which a substance changes from a liquid to a solid
- Any characteristic of matter that does not depend on the amount of the substance present.
- combination of two or more substances
- consists of highly charged particles with extremely high kinetic energy.
- process by which water changes from a liquid to a gas or vapor.
- any material that is not a mixture
- is the power to attract
- something that was forced to be mixed
- the study of chemical processes that occur inside of living organisms
Down
- Any characteristic that can be determined only by changing a substance’s molecular structure.
- process used to separate solids from liquids or gases using a filter medium that allows the fluid to pass through but not the solid
- when a solid is converted directly into gas
- chemical element with the symbol O
- chemical element with the symbol Cl
- (state of matter) has a definite volume, it does not have a definite shape.
- A substance made up of two or more elements that are joined together in a fixed ratio.
- is the smallest object that retains the properties of an element
- is anything that has mass and takes up space.
- Also known as semi-metals .have mostly non-metallic properties.
- is a subatomic particle found in the nucleus of every atom
- process in which a gas changes directly to a solid without going through the liquid state
- occurs when a gas loses energy
- a homogenous mixture of two or more element
- poor thermal conductors
- the study of the chemistry of life
- is the study of matter and the chemical reactions between substances.
- is the method in which heavier components of the mixture are separated from the lighter substances with the help of wind
- are ordorless, colorless, monotonic gases.
- Any characteristic of matter that depends on the amount of matter being measured.
- (state of matter) characterized by particles arranged such that their shape and volume are relatively stable.
- of matter) consisting of particles that have neither a defined volume nor defined shape.
- process used to separate solids from liquids or gases using a strainer
- is a chemical substance that cant be divided or changed into other chemical substances by any ordinary chemical means
- to pass through a sieve so as to separate the coarse from the fine particles
- chemical element with the symbol Au
- a neutral subatomic particle found in the atomic nucleus
- the surname of the chemist who developed periodic table
- chemical element with the symbol Ne
- the substance that is dissolved or scattered
53 Clues: poor thermal conductors • is the power to attract • are good conductors of heat • when heat is applied to solid • occurs when a gas loses energy • the conversion of liquid to gas • the study of inorganic compounds • the study of chemistry in physics • chemical element with the symbol O • the study of the chemistry of life • chemical element with the symbol H • ...
General Chemistry 2020-05-21
Across
- Not definite in shape and volume
- Another method of separating complex mixtures
- The amount of space occupied in the object
- Formed when element react to each other
- The process of separating elemental metals from other particles in the mixture
- Does not depend on the size or amount of the sample
- A unit that have the symbol kg
- Occurs when a substance is converted to a new substance
- Solid to liquid
- simplest form of matter
- Digits in any measurement that are known with certainty
- Composed of two or more substances
- Also called a solution
- whether the substance can be easily decomposed or not
- consist of a dispersed phase
- Gas to liquid
- A prefix that have a scientific notation of 10^6
- Liquid to gas
- Substance which remains in the strainer
- A colloidal system of particles dispersed in gas
- A prefix that have a scientific notation of 10^12
- Are well mixed and behave like a single substance
Down
- Determined when a certain quantitative value is relatively close to the “true” value
- Consist of coarse particles which are visible to the naked eyes
- Change Occurs when the internal make up of the matter stays the same
- Whether it will break into charged particles when in solution with water or not
- Whether it reacts with acids, bases, and oxygen
- Whether the substance undergoes combustion or not
- A process of changing solid to gas without passing through liquid state
- Those that can be affected by the size and amount of samples
- A quantity that have the symbol s
- Liquid to solid
- A gas disbursed in a liquid or solid
- The number of protons in its nucleus
- A prefix that have a scientific notation of 10^3
- The ratio of the mass of an object to the volume it occupies
- The term used in counting the number of significant figures
- A unit which has the symbol m
- A process of separating the components of a suspension
- A prefix that have a scientific notation of 10^(-3)
- Is a colloid made up of two liquids
- Definite in shape and volume
- Liquid that passes through the strainer
- A process of separating a homogeneous mixture
- A quantity that have the symbol K
- A prefix that have a scientific notation of 10^(-12)
- Are atoms with the same atomic number but different mass numbers
- Whether the substance can damage an organism or not
- The quantity of matter in the object
- Is the consistency of the result
50 Clues: Gas to liquid • Liquid to gas • Liquid to solid • Solid to liquid • Also called a solution • simplest form of matter • Definite in shape and volume • consist of a dispersed phase • A unit which has the symbol m • A unit that have the symbol kg • Not definite in shape and volume • Is the consistency of the result • A quantity that have the symbol s • A quantity that have the symbol K • ...
General Chemistry 2020-05-21
Across
- Not definite in shape and volume
- Another method of separating complex mixtures
- The amount of space occupied in the object
- Formed when element react to each other
- The process of separating elemental metals from other particles in the mixture
- Does not depend on the size or amount of the sample
- A unit that have the symbol kg
- Occurs when a substance is converted to a new substance
- Solid to liquid
- simplest form of matter
- Digits in any measurement that are known with certainty
- Composed of two or more substances
- Also called a solution
- whether the substance can be easily decomposed or not
- consist of a dispersed phase
- Gas to liquid
- A prefix that have a scientific notation of 10^6
- Liquid to gas
- Substance which remains in the strainer
- A colloidal system of particles dispersed in gas
- A prefix that have a scientific notation of 10^12
- Are well mixed and behave like a single substance
Down
- Determined when a certain quantitative value is relatively close to the “true” value
- Consist of coarse particles which are visible to the naked eyes
- Change Occurs when the internal make up of the matter stays the same
- Whether it will break into charged particles when in solution with water or not
- Whether it reacts with acids, bases, and oxygen
- Whether the substance undergoes combustion or not
- A process of changing solid to gas without passing through liquid state
- Those that can be affected by the size and amount of samples
- A quantity that have the symbol s
- Liquid to solid
- A gas disbursed in a liquid or solid
- The number of protons in its nucleus
- A prefix that have a scientific notation of 10^3
- The ratio of the mass of an object to the volume it occupies
- The term used in counting the number of significant figures
- A unit which has the symbol m
- A process of separating the components of a suspension
- A prefix that have a scientific notation of 10^(-3)
- Is a colloid made up of two liquids
- Definite in shape and volume
- Liquid that passes through the strainer
- A process of separating a homogeneous mixture
- A quantity that have the symbol K
- A prefix that have a scientific notation of 10^(-12)
- Are atoms with the same atomic number but different mass numbers
- Whether the substance can damage an organism or not
- The quantity of matter in the object
- Is the consistency of the result
50 Clues: Gas to liquid • Liquid to gas • Liquid to solid • Solid to liquid • Also called a solution • simplest form of matter • Definite in shape and volume • consist of a dispersed phase • A unit which has the symbol m • A unit that have the symbol kg • Not definite in shape and volume • Is the consistency of the result • A quantity that have the symbol s • A quantity that have the symbol K • ...
Chemistry Words 2020-06-10
Across
- stable isotope of hydrogen with a mass approximately twice that of the usual isotope.
- the chemical element with the symbol H and atomic number 1.
- chemical element of atomic number 6.
- Fission:is a process in nuclear physics in which the nucleus of an atom splits into two or more smaller nuclei as fission products,
- particular place or point.
- :a subatomic particle of about the same mass as a proton but without an electric charge,
- chemical element of atomic number 2
- :Payload is the carrying capacity of an aircraft or launch vehicle,
- as a source of nuclear energy.
- emission of energy as electromagnetic waves or as moving subatomic particles.
- to change, fail, or give way; not stable.
- hydride:DescriptionThe helium hydride ion or hydroxide helium ion or helium is a cation with the chemical formula HeH⁺.
- close to; almost.
Down
- stable subatomic particle with a charge of negative electricity
- measure of the amount of matter contained in or constituting a physical body.
- strength and vitality required for sustained physical or mental activity.
- imparting or exchanging of information or news..
- radioactive isotope of hydrogen with a mass approximately
- photon is a type of elementary particle
- series of events that are regularly repeated in the same order.
- colorless, odorless reactive gas
- separate and distinct.
- change which is a result or consequence of an action or other cause.
- container, typically made of glass or plastic
- wind:the continuous flow of charged particles from the sun which permeates the solar system.
25 Clues: close to; almost. • separate and distinct. • particular place or point. • as a source of nuclear energy. • colorless, odorless reactive gas • chemical element of atomic number 2 • chemical element of atomic number 6. • photon is a type of elementary particle • to change, fail, or give way; not stable. • container, typically made of glass or plastic • ...
Chemistry final 2020-06-10
Across
- stable isotope of hydrogen with a mass approximately twice that of the usual isotope.
- the chemical element with the symbol H and atomic number 1.
- chemical element of atomic number 6.
- Fission:is a process in nuclear physics in which the nucleus of an atom splits into two or more smaller nuclei as fission products,
- particular place or point.
- :a subatomic particle of about the same mass as a proton but without an electric charge,
- chemical element of atomic number 2
- :Payload is the carrying capacity of an aircraft or launch vehicle,
- as a source of nuclear energy.
- emission of energy as electromagnetic waves or as moving subatomic particles.
- to change, fail, or give way; not stable.
- hydride:DescriptionThe helium hydride ion or hydroxide helium ion or helium is a cation with the chemical formula HeH⁺.
- close to; almost.
Down
- stable subatomic particle with a charge of negative electricity
- measure of the amount of matter contained in or constituting a physical body.
- strength and vitality required for sustained physical or mental activity.
- imparting or exchanging of information or news..
- radioactive isotope of hydrogen with a mass approximately
- photon is a type of elementary particle
- series of events that are regularly repeated in the same order.
- colorless, odorless reactive gas
- separate and distinct.
- change which is a result or consequence of an action or other cause.
- container, typically made of glass or plastic
- wind:the continuous flow of charged particles from the sun which permeates the solar system.
25 Clues: close to; almost. • separate and distinct. • particular place or point. • as a source of nuclear energy. • colorless, odorless reactive gas • chemical element of atomic number 2 • chemical element of atomic number 6. • photon is a type of elementary particle • to change, fail, or give way; not stable. • container, typically made of glass or plastic • ...
chemistry project 2020-06-11
Across
- a mutual relationship or connection between two or more things.
- relating to the nucleus of an atom.
- a change or difference in condition, amount, or level, typically with certain limits.
- the speed of something in a given direction.
- consistently good in quality or performance; able to be trusted.
- a series of events that are regularly repeated in the same order.
- a supposition or proposed explanation made on the basis of limited evidence
- make an exact copy of; reproduce.
- occurring,found, or done often; prevalent.
- an amount of space between two things.
- Deviation a quantity calculated to indicate the extent.
- the action of dividing or splitting something into two or more parts.
- the degree of compactness of a substance.
Down
- Dioxide a colorless, odorless gas prod used by burning carbon and organic compounds and by respiration.
- the end or finish of an event or process.
- the fundamental unit of length in the metric system, equal to 100 centimetres.
- the process or result of joining two or more things together to form a single entity.
- Bang the repaid expansion of matter form a state of extremely high density and temperature that according to current cosmological theories marked the origin of the universe.
- the effect of one factor depends on the level of an other
- as great high, or intense as possible or permitted.
- a supposition on the basis of limited evidence as a starting point for further investigation.
- acting or done in the same way over time.
- a tool or implement now or originally made of iron.
- a joining or merging of different parts or qualities in which the component elements are individually distinct.
- the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.
25 Clues: make an exact copy of; reproduce. • relating to the nucleus of an atom. • an amount of space between two things. • the end or finish of an event or process. • acting or done in the same way over time. • the degree of compactness of a substance. • occurring,found, or done often; prevalent. • the speed of something in a given direction. • ...
Chemistry Crossword 2020-09-02
Across
- electron, The electrons in the outside shell of atoms. They are the furthest from the center and have the most energy
- The property of unstable atoms that emit to nuclear radiation
- Change, A change in which does not change the original substance
- State, When an electron temporarily occupies an energy state greater than its ground state
- Atoms with the same number of protons, but different numbers of neutrons
- Change, A change in which a substance is changed into a different one
- Used to make the same amount of atoms on either side of the arrow to make the equation balanced.
- Indicates the charge of an ion.
- Vertical on the periodic table, the ___________ number indicates the number of valence electrons
- The number of atoms chemically bonded together.
- The ability to be drawn out into long, thin wires
- Made up of 2 or more atoms
- Made up of a single atom
- Atoms that lose or gain electrons to have a full valence shell, therefore giving the atoms a positive or negative charge
Down
- Mass, The average mass of atoms of an element
- What makes a chemical reaction happen?
- State, The state of lowest energy for that electron
- What the matter is made of
- Orbits the nucleus
- Horizontal on the periodic table and indicates the number of shells occupied
- Metals, Groups 3-12 on the periodic table
- Bonding, Chemical bonding that rises from electrostatic force between conduction electrons and positively charged metal ions
- The state that the matter is in (for example: (l), (s), (g), (aq).)
- Symbolic representation of a chemical reaction
- Contains two or more pure substances.
- What does a chemical reaction produce?
- Number, Number of protons in the nucleus of an atom
- How the matter is put together
- The amount of mass packed into matter
29 Clues: Orbits the nucleus • Made up of a single atom • What the matter is made of • Made up of 2 or more atoms • How the matter is put together • Indicates the charge of an ion. • Contains two or more pure substances. • The amount of mass packed into matter • What makes a chemical reaction happen? • What does a chemical reaction produce? • Metals, Groups 3-12 on the periodic table • ...
chemistry crossword 2020-06-11
Across
- in agreement with something
- the act process or accident of varying in condition character or degree
- Used as a container.
- mass of a unit volume of material substance.
- An atom is the smallest constituent unit of ordinary matter that constitutes a chemical element
- A diagram showing the relation between variable quantities.
- haw far something is
- The longest extent of anything as measured from end to end.
- size of an item or product
- two surfaces that are close to the point where they need.
- anything having mass and taking up space
- Slot onto same place.
Down
- an action which is influenced by other action
- a rearrangement of atoms into new substances
- pieces of information
- the degree of loudness or the intensity of a sound
- Introducing Velocity Saving time and money, everyday
- as the form of an object
- the largest value assumed by a real-valued continuous function defined on a closed interval.
- carrying capacity of an aircraft or launch
- usable power such as electricity
- how hot or cold something is
- The distance traveled per unit of time.
- sharp end or tool
- a form of address for a woman
25 Clues: sharp end or tool • Used as a container. • haw far something is • pieces of information • Slot onto same place. • as the form of an object • size of an item or product • in agreement with something • how hot or cold something is • a form of address for a woman • usable power such as electricity • The distance traveled per unit of time. • anything having mass and taking up space • ...
Chemistry Vocab 2020-09-04
Across
- Abbreviations; usually one or two letters from the Latin alphabet.
- A liquid mixture in which the minor component is uniformly distributed within the major compound.
- Any of a material's properties that becomes evident during, or after, a chemical reaction.
- When a substance combines with another to form a new substance.
- The action or process of filtering something.
- A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or nuclear reaction.
- A thing that is composed of two or more separate elements; a mixture
- Made up of individual atoms, elemental molecules made from one type of atom, or compound molecules made from various atoms.
- A substance made by mixing other substances together.
- A distinct period or stage in a series of events or a process of change or development.
- A column of elements in the periodic table, there 18 numbered groups.
- A property of physical body, and a measure of its resistance to acceleration when a net force is applied.
- A particular kind of matter with uniform properties.
- Each of more than 100 substances that cannot be chemically interconverted or broken down into simpler substances.
- The action of purifying a liquid by a process of heating and cooling.
- The species formed from chemical reaction.
- Firm and stable in shape; not liquid or fluid.
Down
- A property that is measureable, whose values describes a state of a physical system.
- A table of the chemical elements arranged in order of atomic number, usually in rows so elements with similar atomic structure appear in columns.
- A substance separated from a solution or suspension by chemical or physical change usually as an insoluble or amorphous crystaline solid.
- Changes affecting the form of a chemical substance, but not its chemical composition.
- A solid, liquid, or gaseous mixture that has the same proportions of its components throughout any given sample.
- the horizontal rows on the periodic table; corresponds to the successive occupation of the orbitals in a valence shell of the atom.
- A substance that takes part in and undergoes change during a reaction.
- Physical quantity whose value is proportional to the size or system it describes, or to the quantity of matter in the system.
- Does not depend on the quantity of matter.
- Mass is neither created or destroyed.
- the amount of space that a substance or object occupies, or that is enclosed within a container.
- A nearly incompressible fluid that conforms to the shape of its container, but retains a constant volume.
- A mixture that has components in which proportions vary throughout the sample.
- A substance diffused or suspended in the air, especially one normally liquid or solid.
31 Clues: Mass is neither created or destroyed. • Does not depend on the quantity of matter. • The species formed from chemical reaction. • The action or process of filtering something. • Firm and stable in shape; not liquid or fluid. • A particular kind of matter with uniform properties. • A substance made by mixing other substances together. • ...
Nuclear Chemistry 2020-12-07
Across
- a synthetic element whose atomic number is greater than that of uranium (atomic number 92)
- a device that measures the approximate amount of radiation received in a given period of time by people who work with radiation
- a nuclide produced by the radioactive decay of another nuclide
- a nuclide that contains isotopes that decay and that emit radiation
- an instrument that detects and measures the intensity of radiation by counting the number of electric pulses that pass between the anode and the cathode in a tube filled with gas
- the numbers (2, 8, 20, 28, 50, 82, and 126) that represent the number of particles in an extra stable atomic nucleus that has completed shells of protons and neutrons
- the process by which the approximate age of an object is determined based on the amount of certain radioactive nuclides present
- the transformation of atoms of one element into atoms of another element as a result of a nuclear reaction, such as bombardment with neutrons
- the disintegration of an unstable atomic nucleus into one or more different nuclides, accompanied by the emission of radiation, the nuclear capture or ejection of electrons, or fission
- a positively charged atom that is released in the disintegration of radioactive elements and that consists of two protons and two neutrons
- a radiation-absorbing material that is used to decrease radiation leakage from nuclear reactors
- the time required for half of a sample of a radioactive isotope to break down by radioactive decay to form a daughter isotope
- a reaction that affects the nucleus of an atom
- the difference between the mass of an atom and the sum of the masses of the atoms protons, neutrons, and electrons
- a unit of radiation dose of X rays or gamma rays that is equal to the amount of radiation that will produce 2.58 x 10-4 of ions per kilogram of air at atmospheric pressure
- a reaction in which the material that starts the reaction is also one of the products and can start another reaction
- a series of radioactive nuclides produced by successive radioactive decay until a stable nuclide is reached
- an instrument that converts scintillating light into an electrical signal for detecting and measuring radiation
- a change in the identity of a nucleus as a result of a change in the number of its protons
- an atom that is identified by the number of protons and neutrons in its nucleus
- a radionuclide that yields a specific daughter nuclide as a later member of a radioactive series
- the high-energy photon emitted by a nucleus during fission and radioactive decay
Down
- a charged electron emitted through certain types of radioactive decay, such as beta decay
- a radioactive material that is added to a substance so that its distribution can be detected later
- waste that contains radioisotopes
- a facility that uses heat from nuclear reactors to produce electrical energy
- a neutron-absorbing rod that helps control a nuclear reaction by limiting the numbers of free neutrons
- the splitting of the nucleus of a large atom into two or more fragments; releases additional neutrons and energy
- the particles that are released from the nucleus during radioactive decay, such as neutrons, electrons, and photons
- a particle that has the same mass and spin as an electron but that has a positive charge
- a model that represents nucleons as existing in different energy levels, or shells, in the nucleus
- the process in which an inner orbital electron is captured by the nucleus of an atom that contains the electron
- the quantity of ionizing radiation that does as much damage to human tissue as 1 roentgen of high-voltage x rays does
- the minimum mass of a fissionable isotope that provides the number of neutrons needed to sustain a chain reaction
- the energy released when a nucleus is formed from nucleons
- a device that uses controlled nuclear reactions to produce energy or nuclides
- the combination of the nuclei of small atoms to form a larger nucleus, releases energy
- a proton or neutron
- a material that slows the velocity of neutrons so that they may be absorbed by the nuclei
39 Clues: a proton or neutron • waste that contains radioisotopes • a reaction that affects the nucleus of an atom • the energy released when a nucleus is formed from nucleons • a nuclide produced by the radioactive decay of another nuclide • a nuclide that contains isotopes that decay and that emit radiation • ...
Nuclear Chemistry 2020-12-15
Across
- a subatomic particle with no charge
- composed of neutrons and protons
- combining nuclei of two atoms to form a heavier atom
- unstable atomic nucleus loses energy by radiation
- The nuclei split into smaller fragments
- number of protons and neutrons in the nucleus of an atom
- measured in rems
- smallest particle of an element
- an electron resulting from the breaking apart of neutrons in an atom
- identical to the Helium nucleus
Down
- positively charged subatomic particle
- amount of time it takes for half of a radioactive element to transform into something else
- negatively charged subatomic particle
- an atom or group of atoms that has a positive or negative charge
- composed with protons and neutrons
- number of protons in the nucleus
- simplest form of matter that has a unique set of properties
- rearrangement of DNA when hit by radiation
- has no mass, can be stopped by several inches of lead (pure energy)
- atoms of the same element with different numbers of neutrons
- occurs when an unhappy nucleus ejects 2 protons and 2 neutrons
21 Clues: measured in rems • smallest particle of an element • identical to the Helium nucleus • composed of neutrons and protons • number of protons in the nucleus • composed with protons and neutrons • a subatomic particle with no charge • positively charged subatomic particle • negatively charged subatomic particle • The nuclei split into smaller fragments • ...
Chemistry Crosswords 2020-12-14
Across
- The physical property of an object that can only be measured under a microscopic level.
- Fixed mass, fixed volume, definite shape
- Dependent of the quantity of matter present
- Measurement of the amount of matter in an object
- Quantitate measurement of how cold or hot an object it
- Independent of the quantity of matter present
- The physical property of an object that can be manipulated on a visible level with naked eye
Down
- A lab equipment that is cylindrical and have a flat bottom
- When an object turns into the liquid state with certain requirements
- The conversion of gas into liquid
- A characteristic of matter that is not associated with a change in its chemical composition
- Fixed mass, fixed volume, Not fixed shape
- The state of liquid or solid turning into the gaseous state
- Anything with mass and volume that takes up space
- one chemical substance is transformed into one or more different substances
- Changed form but substance remains the same
- Unfixed mass, unfixed volume, no definite shape, high energy level
- During a reaction, the chemical composition changed
- The space occupied by an object
- The state where liquid turns into solid due to meeting the requirement of temperature
20 Clues: The space occupied by an object • The conversion of gas into liquid • Fixed mass, fixed volume, definite shape • Fixed mass, fixed volume, Not fixed shape • Dependent of the quantity of matter present • Changed form but substance remains the same • Independent of the quantity of matter present • Measurement of the amount of matter in an object • ...
Chemistry Puzzle 2020-12-02
Across
- I am a member of the nitrogen family with 16 neutrons
- I am the only nonmetal that is liquid at room temperature
- I am an alkali metal used to make fertilizer
- I make up 78% of the atmosphere
- I am the second most abundant element in the Earth's crust and used to make computers
- In addition to copper and cesium, I am a metal that is not silver or gray in color
- I have 2 electrons in the first shell, 8 in the second shell, and 6 in the third shell
- I am a metal in the carbon family in the 5th period
- I am a member of the carbon family and often mistaken for the end of your pencil
- I am a metal that is liquid at room temperature
- I am not really an alkali metal
- I am an alkaline earth metal used to make white fireworks and upset stomach medicine
- I am a metal with 28 electrons
Down
- I am a gas with 8 protons and 8 neutrons
- My atomic mass is 35.453
- I have 20 neutrons and am found in bones and teeth
- I have 26 protons
- If I am present in a compound, it is called an organic compound
- I am a transition metal found inside a new penny
- I am a transition metal with 25 electrons
- My atomic number is 47 and I am used to make photographic films
- I am a soft metal that reacts with water, and I am the most abundant metal in the ocean
- I am a halogen that appears purple or yellow
- I am a gas with a mass number of 18.99 amu
- I am the smallest noble gas
- I am a member of the boron family and the most abundant metal in the Earth's crust
26 Clues: I have 26 protons • My atomic mass is 35.453 • I am the smallest noble gas • I am a metal with 28 electrons • I make up 78% of the atmosphere • I am not really an alkali metal • I am a gas with 8 protons and 8 neutrons • I am a transition metal with 25 electrons • I am a gas with a mass number of 18.99 amu • I am an alkali metal used to make fertilizer • ...
Chemistry crossword 2020-12-18
Across
- a mixture of two or more metals
- a method to separate colors using solubility
- a liquid that other substances will dissolve in
- no more of the solute will dissolve in ... solution
- mixed substances that are not chemically bonded
- there are 118 of them
- acid+alkali=
- evenly spread caused by random movements
- two or more atoms bonded together
- rows in periodic table
Down
- a substance that is dissolved
- squash together
- a new substance made in a reaction
- gas ... is more when higher temperature
- shorthand way of referring to an element
- ... of mass the principle of solution
- a tiny particle of matter
- when gas is changing to liquid
- motion that moves randomly caused by bumps
- a substance that is made of only one type of atom
- columns in periodic table
- a substance that cant' dissolve
22 Clues: acid+alkali= • squash together • there are 118 of them • rows in periodic table • a tiny particle of matter • columns in periodic table • a substance that is dissolved • when gas is changing to liquid • a mixture of two or more metals • a substance that cant' dissolve • two or more atoms bonded together • a new substance made in a reaction • ... of mass the principle of solution • ...
Chemistry Vocabulary 2020-12-14
Across
- the basic unit of a chemical element
- an extremely tiny particle with a positive charge; is in the center of the atom and makes up the nucleus
- the mass of an atom of a chemical element expressed in atomic mass units
- a heterogenous mixture in which some of the particles settle out of the mixture upon standing
- a energy level defined by quantum theory
- a diagram that represents the variation of a variable
- where electrons are likely to be found
- a combination of two or more substances
- a variable that depends on other factors
- a pure substance that is made up of two or more different elements combined by chemical bonds
- a simple way of writing down the locations of all the electrons in an atom
- in the center of the atom with the protons making up the nucleus
- the number of digits in a value
- the energy required to remove an electron from an atom
- electrons in the outermost shell
- a physical substance
- the tendency of an atom to attract an electron to itself
- any of two or more forms of a chemical element
Down
- a positively charged ion
- a model presented by niels bohr and ernest rutherford in 1913
- a row of elements in the periodic table
- a variable that stands alone
- a negatively charged ion
- a process for experimentation that is used to explore observations and answer questions
- the number of protons in the nucleus of an atom
- a type of matter that has definite chemical and physical properties
- a group of atoms bonded together
- physically combined; can be separated
- a negative charge that surrounds the nucleus
- objects, events, ideas, feelings, time periods, or any other types of categories that you are trying to measure
- heterogenous, even though it looks homogenous
- a pure substance that contains of only one kind of atom
- a way of representing atoms or molecules as dots surrounding the element symbols
- a table of chemical elements arranged in order of atomic number
- the central part of the atom; contains protons and neutrons
- fixed distances from the nucleus of an atom where electrons may be found
- the size of a neutral atom
- specific patterns that are presented in the periodic table
- the number of protons minus the number of electrons
- a column of elements in the periodic table
- the chemical element in group 18 of the periodic table
41 Clues: a physical substance • a positively charged ion • a negatively charged ion • the size of a neutral atom • a variable that stands alone • the number of digits in a value • a group of atoms bonded together • electrons in the outermost shell • the basic unit of a chemical element • physically combined; can be separated • where electrons are likely to be found • ...
Organic Chemistry 2021-03-09
Across
- formed when one or more of the hydrogen atoms of ammonia are replaced by an alkyl group.
- Organic Compounds containing only single bonds
- the reaction between an organic acid and an alcohol to produce an ester plus water
- formed when a carbonyl group (-C=O) is found on an interior carbon atom that is attached to two other carbon atoms.
- a molecular formula that can be represented by more than one structural arrangement
- a homologous series of organic compounds whose functional group is a carboxyl group (-COOH)
- homologous series of saturated hydrocarbons that release energy when burned
- organic compounds whose type formula is R-CO-OR.
- contain the carboxylic group (-COOH) but also contain an amine group
- organic compounds that contain only atoms of hydrogen and carbon
- Compounds containing one or more double or triple covalent bonds
- atoms or groups of atoms that replace hydrogen atoms in a hydrocarbon and give the compound distinctive physical and chemical properties
- organic compounds made up of chains of smaller units contently bonded together.
Down
- when an ester reacts with an inorganic base to produce an alcohol and a soap
- homologous series of unsaturated hydrocarbons that contain one triple bond
- each member of this series contains one double covalent bond
- involves the replacement of one or more of the hydrogen atoms in a saturated hydrocarbon with another atom or group
- involve adding one or more atoms at a double or triple bond.
- a chemical process in which yeast cells secrete the enzyme zymase and break the six carbon chain of sugars into carbon dioxide and two carbon fragments of alcohol
- a compound formed by the combination of the two amino acids
- organic compounds in which the carbonyl group is found at the end of the carbon
- formation of these larger polymer molecules is called this in which each individual unit of a polymer is called a monomer.
- series of organic compounds in which two carbon chains are joined together by an oxygen atom bonded between two carbon atoms
- When a halogen replaces a hydrogen atom in an alkane, the compound is called this
- organic compounds in which one or more hydrogen atoms of a hydrocarbon are replaced by an OH- group
25 Clues: Organic Compounds containing only single bonds • organic compounds whose type formula is R-CO-OR. • a compound formed by the combination of the two amino acids • each member of this series contains one double covalent bond • involve adding one or more atoms at a double or triple bond. • organic compounds that contain only atoms of hydrogen and carbon • ...
CARBONYL CHEMISTRY 2021-03-10
Across
- Enol form is preferred over a keto form mostly in cases of _________ hydrogen bonding
- Benzaldehyde in the presence of potassium cyanide undergoes a type of condensation reaction to give this product
- Primary reactant of Benzil-Benzilic Rearrangement.
- Preparation of Phosphorus ylide in wittig reaction involves a SN ___ attack by triphenyl phosphine on an alkyl halide (in words)
- A non aromatic nitrogen containing base used in Knoevenagel Condensation
- A stronger oxidising agent than Pyridinium dichromate (PDC) and more acidic in nature (Pyridinium ___________)
- This ester CANNOT undergo ketonic hydrolysis (common name)
- Common reagent in MPV Reduction is Aluminium __________
- When intra or intermolecular proton exchange takes place in a mechanism, it is called ___________ interconversion (hint: mobile atom is a proton)
Down
- Alcohols and ketones without terminal ________ group cannot undergo haloform reaction
- Benzaldehyde reacts with acetic anhydride in the presence of sodium acetate to give this acid
- Avery well known reagent for Baeyer Villiger oxidation, known to give rapid reaction due to its high electron withdrawing tendency ( name of the peracid)
- Type of addition reaction where a carbanion nucleophile attacks an alpha,beta-unsaturated carbonyl compound: _________ Addition
- The cyclic intermediate in Wittig reaction formed by cyclo addition of the reactants
- General name of the nucleophilic intermediate produced in the first step of aldol condensation
- Acetone + Iodine + Potassium hydroxide ---> pale yellow ppt. Reaction name is _______
- An acid sensitive carbonyl compound will be converted to alkane using this reduction.
- Cannizaro Reaction takes place in the absence of ______ hydrogen in the carbonyl compound
- Cyclohexanone reacts with hydroxylamine in the presence of sulphuric acid to give (common name)
- Mechanism of converting aldol products back to its predecessor aldehyde or ketone: _______ aldol
20 Clues: Primary reactant of Benzil-Benzilic Rearrangement. • Common reagent in MPV Reduction is Aluminium __________ • This ester CANNOT undergo ketonic hydrolysis (common name) • A non aromatic nitrogen containing base used in Knoevenagel Condensation • The cyclic intermediate in Wittig reaction formed by cyclo addition of the reactants • ...
Chemistry Review! 2021-03-12
Across
- central atom in CO2
- type of bond formed by sharing of electrons
- "made up" word that lists all the diatomic elements
- type of bond formed when sharing of electrons is unequal
- element with twelve protons
- scientific name of water
- molecular geometry of SH2
- number of needed electrons for chlorine to have a full valence
- number of dots in the Lewis structure for arsenic
- group of atoms bonded tightly together and carry a charge
- represented by two lines in a structural diagram
- name of group 18
- phase of matter with a definite shape and volume
- located to the right of the stepline
- number of electrons for hydrogen to have a full valence
- molecular geometry with 3 atoms and 1 lone pair on the central atom
- group 12 element with possible oxidation states are +1 and +2
- atom with the partial negative charge in OF2
- name of Ca(OH)2
- central atom in OF2
- type of bond present in Cl2
- name of Sr3N2
- compound composed of two types of elements
Down
- electron geometry of CH2O
- energy, amount of energy required to remove an electron
- goal of bonding for each element
- type of bond in CO
- most electronegative atom
- type of bond formed when sharing of electrons is equal
- calculated by subtracting needed and available electrons
- electron geometry with four electron groups around the central atom
- type of bond formed by a complete transfer of electrons
- total number of lone pairs in the molecule CF4
- name of XeF4
- group, atoms + lone pairs
- most reactive metals
- ability of an atom to attract an electron
- number of electrons that make up one covalent bond
- electron geometry of HCN
- electrons that are not bonded and drawn as dots
- number of total bonds in CBr4
- atom with the largest atomic radius
- always form nonpolar bonds
- number of valence electrons in the oxygen group
44 Clues: name of XeF4 • name of Sr3N2 • name of Ca(OH)2 • name of group 18 • type of bond in CO • central atom in CO2 • central atom in OF2 • most reactive metals • scientific name of water • electron geometry of HCN • electron geometry of CH2O • most electronegative atom • molecular geometry of SH2 • group, atoms + lone pairs • always form nonpolar bonds • element with twelve protons • ...
Chemistry Vocabulary 2016-12-01
Across
- The electrical charge of the electron
- The basic building block of most of the matter around us
- A chart of the elements
- The eighteenth family on the periodic table they are non reactive
- Change that results in the formation of a new substance
- Vertical column in the periodic table
- A group of elements that have properties of both metals and nonmetals
- Electrical property that can be either positive or negative
- Measure of an atom's mass that is equal to the number of protons and neutrons in the atom's nucleus
- The process in which bubbles of gas form throughout a liquid and rise to the surface
Down
- The first family on the periodic table they are very reactive
- The second family on the periodic table
- The temperature at which a substance boils
- Force that holds atoms together in molecules
- The positive negatively charged subatomic particle that is located in the nucleus of an atom
- The energy that is stored in chemical bonds
- The neutrally charged subatomic particle that is located inside the nucleus of an atom
- The number of protons in the nucleus of an atom
- The electrical charge of the proton
- Anything that has mass and takes up space
20 Clues: A chart of the elements • The electrical charge of the proton • The electrical charge of the electron • Vertical column in the periodic table • The second family on the periodic table • Anything that has mass and takes up space • The temperature at which a substance boils • The energy that is stored in chemical bonds • Force that holds atoms together in molecules • ...
Chemistry Vocabulary 2016-11-29
Across
- the temperature at which a substance melts
- metallic elements that occupy the largest part of the periodic table
- a model that shows how the electrons circle the nucleus
- the ability of a substance to be hammered or pressed into a shape without breaking
- a substance made by mixing other substances together
- the mass of a chemical element
- a substance that is formed when two or more chemical elements are chemically bonded together
- a subatomic particle with a positive charge
Down
- change that affects the form of a chemical substance but not its chemical composition
- gascous element occupying group 18 of the periodic table
- change that results with the formation of new substances
- the basic unit of life
- elements that have properties of metals and non-metals
- the temperature at which a substance boils
- Table a table that organizes the elements according to their number of protons
- a substance particle with a negative charge
- a subatomic particle that doesn't have a charge
- a part of science that deals with the identifications and properties of matter
- a substance of atoms which have the same number of protons
- a group of atoms that have the same chemical compound
20 Clues: the basic unit of life • the mass of a chemical element • the temperature at which a substance melts • the temperature at which a substance boils • a substance particle with a negative charge • a subatomic particle with a positive charge • a subatomic particle that doesn't have a charge • a substance made by mixing other substances together • ...
Nuclear Chemistry 2017-06-14
Across
- a reactor able to produce more fuel than it uses
- a very fast moving electron that has been emitted from a neutron of an unstable nucleus
- a sample that is massive enough to sustain a chain reaction
- mass greater than critical mass
- the combining of atomic nuclei
- atoms which produce scintillations
- high energy electromagnetic radiation
- protons and neutrons
- same composition of a helium nucleus
- the difference in mass between a nucleus and its component nuclei
- the location of stable nuclei on a graph
- invisible rays emitted when electrons bombard the surface of certain materials
Down
- the splitting of a nucleus into fragments
- the rays and particles emitted by a radioactive source
- isotopes of atoms with unstable nuclei
- Another name for a fusion reaction
- Not massive enough to sustain a chain reaction
- the time required for one half of a radioisotope's nuclei to decay
- the conversion of an atom of one element to an atom of another
- a radioisotope which emits non ionizing radiation and is used to signal the presence of an element
20 Clues: protons and neutrons • the combining of atomic nuclei • mass greater than critical mass • Another name for a fusion reaction • atoms which produce scintillations • same composition of a helium nucleus • high energy electromagnetic radiation • isotopes of atoms with unstable nuclei • the location of stable nuclei on a graph • the splitting of a nucleus into fragments • ...
Chemistry 4 2017-06-21
Across
- The type of digestion that treats effluent in waste water treatment.
- What planet has an atmosphere that resembles the Earth's first atmosphere?
- A human product that can contaminate water sources.
- A process that can carry on indefinitely without affecting future generations.
- The amount of greenhouse gases emitted over the full lifecycle of a product.
- and Algae What two types of organisms were the first to produce oxygen?
- Removal of solids from water
- The process of killing microorganisms in water.
- What greenhouse gas is released by cattle farms?
- The correct term for destruction of forests.
- Which gas burns with a squeaky pop?
Down
- What is bleached by chlorine gas?
- A resource that can be replaced at the same rate it is used.
- What released the gases that made up the Earth's first atmosphere?
- A material that contains only one element or compound.
- The formation of which rock type removed CO₂ from the air?
- Making salt water drinkable.
- The main pollutant from agriculture that can affect rivers.
- What gas made up the majority of the Earth's early atmosphere?
- What process created the oxygen in the atmosphere?
- A product made from an artificial process.
- Water that is drinkable
- What chemical is used to test for Carbon Dioxide?
- The type of digestion that treats solid matter in waste water treatment.
24 Clues: Water that is drinkable • Making salt water drinkable. • Removal of solids from water • What is bleached by chlorine gas? • Which gas burns with a squeaky pop? • A product made from an artificial process. • The correct term for destruction of forests. • The process of killing microorganisms in water. • What greenhouse gas is released by cattle farms? • ...
Chemistry exam 2018-06-07
Across
- Empuje o atracción que se ejerce sobre un objeto... F____
- Ritmo al que cambia la velocidad... A____
- partícula básica de la que todos los elementos están formados... A____
- Instrumento óptico que usa lentes para enfocar la luz para grabar la imagen de un objeto... C____
- Ondas electromagnéticas con longitudes de ondas más cortas... M____
- Poder de atracción o repulsión de los materiales magnéticos... M____
- Estado de la materia que no tiene forma definida, pero si de volumen definido... L____
- química Forma corta y sencilla de mostrar una reacción química usando símbolos... E____Q____
- eléctrico Trayecto completo y continuo a través del cual pueden fluir las cargas eléctricas... C____E____
- medida del espacio entre dos puntos... D____
- Estructura flexible que enfoca la luz que entra al ojo... L____
Down
- auditivo Región estrecha que conecta el exterior del oído humano con el tímpano... C____A____
- Capacidad para realizar un trabajo o producir cambios... E____
- Instrumento con una aguja imantada que puede girar libremente. La aguja siempre gira hacia el norte... B____
- estudio de las propiedades de la materia y de sus cambios... Q____
- Instrumento que permite que los objetos pequeños se vean más grandes... M____
- eléctrico Instrumento que convierte la energía eléctrica en energía mecánica... M____E
- Membrana pequeña, tensa y extendida como la de un tambor... T____
- Evaporación que ocurre en y bajo la superficie del liquido... E____
- Medida de cuanta materia hay en un cuerpo... M____
- Material que atrae hierro o materiales que contienen hierro... I____
- tejido transparente que cubre la parte delantera del ojo... C____
- estado de la materia sin forma ni volumen definidos... G____
- Trasferencia de energía térmica de un cuerpo mas cálido a uno menos cálido... C____
24 Clues: Ritmo al que cambia la velocidad... A____ • medida del espacio entre dos puntos... D____ • Medida de cuanta materia hay en un cuerpo... M____ • Empuje o atracción que se ejerce sobre un objeto... F____ • estado de la materia sin forma ni volumen definidos... G____ • Capacidad para realizar un trabajo o producir cambios... E____ • ...
Chemistry Crossword 2018-06-08
Across
- chemical reaction that releases heat energy
- mixture in which the different substances are visible
- when a new substance is formed and non-reversible
- can be in between metals and non-metals
- the number of protons in the nucleus of an atom
- mixture of two or more pure substances that look like one substance
- can eat away or corrode
- contaminated material that is a threat to humans and health
- substances in a reaction
- chemical reaction that absorbs heat energy
Down
- pure substance that cannot broken down any further
- workplace hazardous materials information system
- change in appearance or state
- ability to conduct electricity or heat
- the mass of all protons and neutrons in an atom
- when a solid changes to a gas
- when non-metal combine
- the mixture of magic and chemistry
- when a gas changes to a solid
- shiniest of a substances,
- electrically charged atoms
- made up of one type of matter
- the center of an atom
- the horizontal rows on the periodic table
- a compound of a metal and non-metal
25 Clues: the center of an atom • when non-metal combine • can eat away or corrode • substances in a reaction • shiniest of a substances, • electrically charged atoms • change in appearance or state • when a solid changes to a gas • when a gas changes to a solid • made up of one type of matter • the mixture of magic and chemistry • a compound of a metal and non-metal • ...
Chemistry Crossword 2018-11-06
Across
- Pure substance formed when at least one metal and one non-metal combine
- French chemist who created a nomenclature for naming compounds
- Number of protons in the nucleus of one atom of an element
- Columns in the periodic table labelled 1-18
- Pure substance formed when non-metals combine
- Rows in the periodic table labelled 1-7
- New materials produced by the reaction
- Substances that help a reaction proceed faster
- Chemical reaction that absorbs heat energy
- Mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in amu
- Workplace Hazardous Material Information System
Down
- A table in which the elements are organized by their physical and chemical properties
- Solid or gas; solids are dull, brittle elements
- Anything that has mass and occupies space
- Chemical reaction that takes place in the cells in your body
- Below
- Have metallic and non-metallic properties
- Chemical reaction that releases heat energy
- Chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- More than two elements combine
- Pure substance that cannot be broken down into other substances; substance only made up of one type of atom
- Materials at the start of a reaction
- Shiny, malleable, and ductile
- Slow chemical change that occurs when oxygen in air reacts with a metal
24 Clues: Below • Shiny, malleable, and ductile • More than two elements combine • Materials at the start of a reaction • New materials produced by the reaction • Rows in the periodic table labelled 1-7 • Anything that has mass and occupies space • Have metallic and non-metallic properties • Chemical reaction that absorbs heat energy • Chemical reaction that releases heat energy • ...
Chemistry crossword 2018-11-07
Across
- a new substance that reacts with another substance or substances in a chemical reaction to create a new substance with different products or properties
- ability to dissolve into another
- when two or more substance react to form a new substance. The new substance has different properties from the original
- the point where a substance boils
- change of state from liquid to solid
- the point where a substance melts
- a cloudy mixture where you can see the different parts
- a mixture where you can see the different parts
- an element is identified by this
- a mixture where you can not see the different parts
- chemical combination of two or more elements
- made up of one type of matter and has a unique set of characteristics
- a new substance produced in a chemical reaction between reactants
- anything that has mass and occupies space
Down
- change of state from liquid to gas
- the shininess of a substance
- when material changes state (or appearance) but not composition
- a cloudy mixture where you can not see the different parts
- when non-metals combine, they produce a new pure substance called this
- change of state from gas to liquid
- change of state from gas to solid
- substance made up of only one type of atom
- pure substances formed as a result of the attraction between particles of opposite charges called ions
- characteristics that can be used to describe a substance
- average weight of an element
25 Clues: the shininess of a substance • average weight of an element • ability to dissolve into another • an element is identified by this • the point where a substance boils • the point where a substance melts • change of state from gas to solid • change of state from liquid to gas • change of state from gas to liquid • change of state from liquid to solid • ...
chemistry 1 2019-03-18
Across
- subatomic particles with a positive charge
- a physical combination of matter in any proportion
- multiples of ten
- the study of substances that contain the element carbon
- substance that releases oxygen
- characteristics that can be determined without a chemical reaction and do not cause a chemical change in the substance
- a stable physical mixture of two or more substances
- a change in form of physical properties of a substance without a chemical reaction or the creation of a new substance
- the substance that is dissolved in a solution
- any substance that occupies spaces spaces and has mass
- subatomic particles with no charge
Down
- liquids that are mutually soluble meaning that they can be mixed together to form stable solutions
- a chemical combination of two or more atoms in definite proportions
- a chemical combination of matter in definite proportions
- alcohols that evaporate easily
- a chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
- a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
- a chemical reaction that combines a substance with oxygen to produce an oxide
- the substance that dissolves the solute and makes it a solution
- a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
- special type of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers
- the quantity of hydrogen ions
- the concentration of surface active agents
- the three different physical forms of matter
- the measure of the acidity an alkalinity of a substance
- unstable physical mixtures of undissolved particles in a liquid
26 Clues: multiples of ten • the quantity of hydrogen ions • alcohols that evaporate easily • substance that releases oxygen • subatomic particles with no charge • subatomic particles with a positive charge • the concentration of surface active agents • the three different physical forms of matter • the substance that is dissolved in a solution • ...
chemistry 2 2019-03-18
Across
- the measure of the acidity an alkalinity of a substance
- special type of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers
- a physical combination of matter in any proportion
- alcohols that evaporate easily
- a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
- a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
- the quantity of hydrogen ions
- a stable physical mixture of two or more substances
- a chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
- the study of substances that contain the element carbon
- substance that releases oxygen
- the three different physical forms of matter
Down
- a change in form of physical properties of a substance without a chemical reaction or the creation of a new substance
- unstable physical mixtures of undissolved particles in a liquid
- a chemical combination of two or more atoms in definite proportions
- a chemical combination of matter in definite proportions
- liquids that are mutually soluble meaning that they can be mixed together to form stable solutions
- the concentration of surface active agents
- the substance that is dissolved in a solution
- characteristics that can be determined without a chemical reaction and do not cause a chemical change in the substance
- the substance that dissolves the solute and makes it a solution
- any substance that occupies spaces spaces and has mass
- subatomic particles with a positive charge
- multiples of ten
- a chemical reaction that combines a substance with oxygen to produce an oxide
- subatomic particles with no charge
26 Clues: multiples of ten • the quantity of hydrogen ions • alcohols that evaporate easily • substance that releases oxygen • subatomic particles with no charge • the concentration of surface active agents • subatomic particles with a positive charge • the three different physical forms of matter • the substance that is dissolved in a solution • ...
chemistry 2 2019-03-18
Across
- the substance that dissolves the solute and makes it a solution
- special type of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers
- liquids that are mutually soluble meaning that they can be mixed together to form stable solutions
- multiples of ten
- a physical combination of matter in any proportion
- a chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
- subatomic particles with no charge
- the three different physical forms of matter
- the quantity of hydrogen ions
- a stable physical mixture of two or more substances
- the concentration of surface active agents
- any substance that occupies spaces spaces and has mass
Down
- subatomic particles with a positive charge
- a chemical combination of two or more atoms in definite proportions
- a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
- a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
- characteristics that can be determined without a chemical reaction and do not cause a chemical change in the substance
- unstable physical mixtures of undissolved particles in a liquid
- the study of substances that contain the element carbon
- alcohols that evaporate easily
- a change in form of physical properties of a substance without a chemical reaction or the creation of a new substance
- substance that releases oxygen
- a chemical combination of matter in definite proportions
- a chemical reaction that combines a substance with oxygen to produce an oxide
- the substance that is dissolved in a solution
- the measure of the acidity an alkalinity of a substance
26 Clues: multiples of ten • the quantity of hydrogen ions • alcohols that evaporate easily • substance that releases oxygen • subatomic particles with no charge • subatomic particles with a positive charge • the concentration of surface active agents • the three different physical forms of matter • the substance that is dissolved in a solution • ...
