chemistry Crossword Puzzles
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 • ...
Chemistry Terms 2017-02-12
Across
- A combination of atoms that link together
- An element that isn’t a metal. Can break easily and can’t conduct electricity or heat
- Cause (a substance) to be deposited in solid form from a solution
- A mark or character used as a conventional representation of a element
- Any of the gaseous elements helium, neon, argon, krypton, xenon, and radon of the periodic table
- The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table
- Atomic particles found in the nucleus of an atom and carry a positive charge
- A form of matter that may not be further broken down using any chemical means
- Absorption of heat
- A thing that is composed of two or more separate elements; a mixture
- A substance that takes part in and undergoes change during a reaction.
- In each period (horizontal row), the atomic numbers increase from left to right
- Russian chemist and inventor
- Center of an atom
Down
- A substance consisting of atoms which all have the same number of protons
- Release of heat
- Regions of space outside the nucleus of an atom where an electron may exist
- Mass in an object is neither created nor destroyed by chemical reactions or physical transformations
- An element that can conduct electricity and heat. Is malleable and ductile
- A group is a column of elements in the periodic table of the chemical elements
- The mass of an atom of a chemical element
- Electrons in the outermost energy level of an atom
- Nobel Prize-winning research on the structure of atoms
- Substance formed from chemical reactions
- Atomic particles found in the nucleus of an atom and carry no electrical charge
- Atomic particles that move around the nucleus of an atom and carry a negative charge
- An element that has properties of metals and nonmetals
27 Clues: Release of heat • Center of an atom • Absorption of heat • Russian chemist and inventor • Substance formed from chemical reactions • A combination of atoms that link together • The mass of an atom of a chemical element • Electrons in the outermost energy level of an atom • Nobel Prize-winning research on the structure of atoms • ...
Chemistry Clues 2017-02-15
Across
- the colorless fluid part of blood
- something that can hold its shape
- when water sticks to something else
- a thing that is composed of two or more separate elements
- when two substances react to each other
- a substance made by mixing other substances together
- When the surface layer of snow or ice turns into fog or steam without melting
- the negative part to an atom
Down
- something made out of protons,neutrons and electrons
- the quality of something that can be shaped into something else
- water that collects as droplets on a cold surface when humid air is in contact with it
- the process of turning from liquid into vapor
- a substance that flows freely but is of constant volume
- the positive part to an atom
- what everything is made of
- taking volume from something
- adding volume to something
- the glue to an atom
- the ability for water to flow
- when water sticks to water
20 Clues: the glue to an atom • what everything is made of • adding volume to something • when water sticks to water • the positive part to an atom • taking volume from something • the negative part to an atom • the ability for water to flow • the colorless fluid part of blood • something that can hold its shape • when water sticks to something else • when two substances react to each other • ...
Chemistry review 2017-09-25
Across
- A measure of the average kinetic energy or the particles in a sample of matter
- A characteristic of matter that depends on the amount of matter
- The study of the transfer of energy as heat that accompanies chemical reactions and physical changes
- Anything that has mass and takes up space
- A substance made up of atoms of 2 or more different elements joined by chemical bonds that makes a new substance
- A characteristic of matter that does not depend on the amount of matter
- The energy transferred between samples of matter because of a difference in temperature
- Change in the identity or type of matter
- Absorbed/released energy, Bubbles, Color Change, Odor, Formation of a precipitate
- Composed of dissimilar components and is not uniform
- Change in the identity or type of matter stays the same,but the appearance changes
- A combination of 2 or more substances that are not chemically combined
Down
- A sample of matter either a single element or a single compound that has definite chemical and physical properties
- A chemical reaction that causes the absorption of heat
- Describes something that has a uniform structure or composition throughout
- A chemical reaction that causes the release of heat
- The amount of energy required to raise the temperature of one gram of a substance by 1 degree Celsius
- A substance that cannot be broken down into simpler substances by chemical means
- Can be observed or measured without changing the composition of matter
- Any characteristic that can be determined only by changing a substance type or identity
20 Clues: Change in the identity or type of matter • Anything that has mass and takes up space • A chemical reaction that causes the release of heat • Composed of dissimilar components and is not uniform • A chemical reaction that causes the absorption of heat • A characteristic of matter that depends on the amount of matter • ...
TY Chemistry 2017-09-26
Across
- Chemical name for soap.
- Water that contains a lot of Ca and Mg
- Elements have a unique colour of light due to this.
- Element made to investigate the speed of a reaction.
- Factor that affects the speed of a chemical reaction.
- Plastic was made from this protein in milk.
- Famous example of Carbon-14 dating
- Oil used in the making of soap.
- Chemical symbol for table salt.
- Use of elements having a different colour when burnt.
- Green in colour in a flame.
- Crimson in colour in a flame.
Down
- Instrument used to measure acidity of indigestion remedies.
- Process of making soap.
- Added to milk to form plastic.
- Smell of the element made in recent experiment to investigate speed of reaction.
- Acid used to test rocks for hardness.
- Different form of same element.
- Speeds up a reaction.
- Use of carbon isotope.
- Element that causes hardness in water.
- Element that can be found in water but is toxic.
22 Clues: Speeds up a reaction. • Use of carbon isotope. • Process of making soap. • Chemical name for soap. • Green in colour in a flame. • Crimson in colour in a flame. • Added to milk to form plastic. • Different form of same element. • Oil used in the making of soap. • Chemical symbol for table salt. • Famous example of Carbon-14 dating • Acid used to test rocks for hardness. • ...
Chemistry Crossword 2017-03-04
Across
- From the Latin word "cohaerere" meaning "stick or stay together." The action or property of like molecules sticking together, being mutually attractive.
- The temperature at which its vapor pressure is equal to the pressure of the gas above it.
- The pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system.
- The ability to form instantaneous dipoles. Determine the dynamical response of a bond system to external fields,and provide insight into a molecule's internal structure.
- Named after the Dutch scientist. Residual attractive or repulsive forces between molecules or atomic groups that do not arise from covalent bonds, nor ionic bonds.
- The temperature and pressure at which solid, liquid, and vapor phases of a particular substance coexist in equilibrium.
- Any force that holds together the atoms making up a molecule or compound.
- Shows how the temperature changes as a substance is heated up at a constant rate.
- The temperature at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied.
- Another type of bulk property defined as a liquid's resistance to flow.
- The process of chilling a liquid below its freezing point,without it becoming solid.
- A molecule in which a concentration of positive electric charge is separated from a concentration of negative charge.
Down
- The weakest intermolecular force. Sometimes called an induced dipole-induced dipole attraction.
- The electrostatic attraction between two polar groups that occurs when a hydrogen atom covalently bond to a highly electronegative atom such as nitrogen, oxygen or fluorine.
- The pressure exerted by a fluid at equilibrium at a given point within the fluid, due to the force of gravity.
- The most basic and least volume consuming repeating structure of any solid. When it repeats itself, the network is called lattice.
- Forces which mediate interaction between molecules.
- This exists once a reversible reaction ceases to change its ratio of reactants or products, but substances move between the chemicals at an equal rate.
- This is caused by the attraction of the particles in the surface layer by the bulk of the fluid, which tends to minimize surface area.
- The tendency of dissimilar particles or surfaces to cling to one another.
20 Clues: Forces which mediate interaction between molecules. • Another type of bulk property defined as a liquid's resistance to flow. • Any force that holds together the atoms making up a molecule or compound. • The tendency of dissimilar particles or surfaces to cling to one another. • Shows how the temperature changes as a substance is heated up at a constant rate. • ...
Chemistry crossword 2017-11-13
Across
- (in chemistry) vertical column of elements in the periodic table; elements in a family all have similar chemical properties; also called a group.
- change of state from a solid to a liquid.
- group 18 elements in the periodic table;the most stable and unreactive elements.
- change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones.
- group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals.
- mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units .
- amount of mass in a given volume of a substance.
- vertical column of elements in the periodic table; elements in a family all have similarchemical properties; also called a family.
- a material that electric charge can move through easily.
- compound that dissolves in water to form a solution with a pH lower than 7.
Down
- group 17 elements in the periodic table;the most reactive non-metals.
- ability of a substance to conduct electricity or heat.
- energy stored in chemicals and released when chemicals react; a form of potential or stored energy .
- shiny, malleable, ductile element thatconducts electricity.
- colourless, odourless gas;produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles.
- conductor through which electric current enters or leaves a device or material.
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
- the sum of the number of protonsand neutrons in an atom.
- element that has both metallic and non-metallic properties.
- positively charged centre of an atom;contains protons and neutrons.
- chemical combination of two or more elements in a specific ratio.
- pure substance that cannot be broken down into other substances; substance made up of only one type of atom.
- neutral particle in the nucleus of an atom.
23 Clues: change of state from a solid to a liquid. • neutral particle in the nucleus of an atom. • amount of mass in a given volume of a substance. • ability of a substance to conduct electricity or heat. • the sum of the number of protonsand neutrons in an atom. • a material that electric charge can move through easily. • ...
Chemistry Crossword 2017-11-13
Across
- system of easy-to-see warning symbols on hazardous materials
- neutral particle in the nucleus of an atom
- metals group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
- mixture mixture in which the different substances that make up the mixture are visible
- substance that reacts with another substance
- change of state from a solid to a liquid
- change of state from a solid to a gas or from a gas to a solid
- number number of protons in the nucleus of one atom of an element
- neutral particle made up of a nucleus containing protons and neutrons
- pure substance that cannot be broken down into other substances
- horizontal row of elements in the periodic table
Down
- anything that has mass and occupies space
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated
- gases group 18 elements in the periodic table
- homogeneous mixture
- mass of a substance that can dissolve in a given amount of solvent to
- dull, brittle element that does not conduct electricity
- element that has both metallic and non-metallic properties
- change change that results when two or more substances react to create a different substance or substances
- amount of mass in a given volume of a substance
- solution solution in which water is the solvent
- positively charged particle in the nucleus of an atom
- vertical column of elements in the periodic table
- substance substance made of only one kind of matter
24 Clues: homogeneous mixture • change of state from a solid to a liquid • anything that has mass and occupies space • neutral particle in the nucleus of an atom • substance that reacts with another substance • gases group 18 elements in the periodic table • amount of mass in a given volume of a substance • solution solution in which water is the solvent • ...
Chemistry crossword 2017-11-13
Across
- change of state from a liquid to a solid.
- slow chemical change that occurs when oxygen in the air reacts with a metal
- element that has both metallic and non-metallic properties
- ratio of the useful energy outpuoman area of higher concentration to one of lower concentration
- group 17 elements in the periodic table;the most reactive non-metals
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- organic molecules made up of atoms of carbon, hydrogen, and oxygen (e.g., pasta, rice,potatoes, fruits, bread); can form simple molecules,such as sugar, or large, complex molecules, such asstarch, cellulose, and glycogen p. 199carbon monoxide (CO(g))colourless, odourless gas;produced by incomplete combustion of chemicalscontaining carbon (e.g. hydrocarbons); majorsource: motor vehicles p. 227catalyst substance that helps a chemical reactionto proceed more quickly p. 166cellular respiration chemical reaction that takesplace in cells; food (sugar) reacts with oxygen toproduce energy, water, and carbon dioxide p. 160charge separation concentration of like charges inspecific areas of a neutral object, caused by theapproach of a charged object; for example, anegatively charged object brought close to a wall
- ability of a substance to conduct electricity or heat
- mass mass of one atom of an elementcalculated from the total number of protons,neutrons, and electrons of that atom; measured inatomic mass units (amu) atomic mass unit measure of atomic mass; 1 amuis equal to 1/12 ththe mass of a carbon 12 atomp atomic number number of protons in the nucleusof one atom of an element
- dull, brittle element that does not conduct electricity
- invisible negatively charged particle that orbits the nucleus of an atom
Down
- process in which molecules move fr
- electricity) description of an object that has equal amounts of positive and negative charges
- reactions reaction that takes place when two or more substances react to form new substances
- compound that dissolves in water to form a solution with a pH higher than 7
- mixture in which tiny particles ofone substance are held within another andparticles cannot be separated out from the othersubstance
- that has become electrically chargedbecause it has lost or gained electrons; a positiveion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one ormore electrons
- compound that dissolves in water to form a solution with a pH lower than 7
- to the total energy input in a device or system; usually given as a percent
- change of state from a solid to a liquid.
- a material that electric charge can move through easily
- metals group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals alkaline-earth metals group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- 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
- chemical combination of two or more elements in a specific ratio
- shiny, malleable, ductile element that conducts electricity
- metalsmetals that have a density of 5 orhigher (e.g., copper, zinc, lead, mercury, cadmium,nickel); heavy metals are one type of substancemonitored to determine water quality
26 Clues: process in which molecules move fr • change of state from a liquid to a solid. • change of state from a solid to a liquid. • ability of a substance to conduct electricity or heat • a material that electric charge can move through easily • dull, brittle element that does not conduct electricity • element that has both metallic and non-metallic properties • ...
Chemistry Crosswords 2017-11-15
Across
- chemical combination of two or more elements in a specific ratio
- slow chemical change that occurs when oxygen in the air reacts with a metal
- group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- invisible negatively charged particle that orbits the nucleus of an atom
- chemical reaction that releases energy
- pure substance formed when at least one metal and one non-metal combine
- group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
- of energy fundamental principle that energy cannot be created or destroyed
- positively charged centre of an atom;contains protons and neutrons
- number of protons in the nucleus of one atom of an element
- group 17 elements in the periodic table; the most reactive non-metals
Down
- new substance produced in a chemical reaction between reactants
- 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
- mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu)
- mogeneous mixture; mixture of two or more pure substances that looks like one substance
- change of state from a solid to a gas or from a gas to a solid
- positively charged particle in the nucleus of an atom
- substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
- chemical reaction that absorbs energy
- pure substance that cannot be broken down into other substances; substance made up of only one type of atom
- table in which the elements are organized by their physical and chemical properties
- pure substance formed when non-metals combine
- group 18 elements in the periodic table;the most stable and unreactive elements
- orbit of electrons around 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
25 Clues: chemical reaction that absorbs energy • chemical reaction that releases energy • pure substance formed when non-metals combine • orbit of electrons around the nucleus of an atom • positively charged particle in the nucleus of an atom • number of protons in the nucleus of one atom of an element • change of state from a solid to a gas or from a gas to a solid • ...
Chemistry Crossword 2017-11-16
Across
- invisible negatively charged particle that orbits the nucleus of and atom
- chemical change that occurs when oxygen in the air reacts with a metal
- at table in which elements are organized by their physical and chemical properties
- chemical reaction that absorbs energy
- a pure substance formed when two non metals combine
- a pure substance formed when at least on metal and one non metal combine
- chemical reaction that releases energy
- metal the first column of the periodic table excluding hydrogen,that a really reactive in air and water
- workplace hazardous information material system
- can be stretched into wire
- substance that helps a chemical reaction proceed more quickly
- neutral particle in the nucleus of an atom
Down
- catalyst involved in chemical reactions in living things
- Irreversible change
- shininess of a metal
- the degree to which a specified material conducts electricity
- what everything is made up of
- Mass of Reactants= Mass of Products
- number of protons in the nucleus of one atom of an element
- group 18 in periodic table, they are the most stable and nonreactive elements. metalloid element that has both metallic and non metallic properties
- positively charged particle in the nucleus of an atom
- ability to pound and roll into flat sheets
- the mass of an element measured in amu
- horizontal row of elements in the periodic table
24 Clues: Irreversible change • shininess of a metal • can be stretched into wire • what everything is made up of • Mass of Reactants= Mass of Products • chemical reaction that absorbs energy • chemical reaction that releases energy • the mass of an element measured in amu • ...
Chemistry Crossword 2017-11-11
Across
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- substance that helps a chemical reaction to proceed more quickly
- the smallest part of an element that is representative of that element
- combination of symbols that represent a compound
- group 1 element in the periodic table, not including hydrogen, the most reactive of the metals
- a solution in which water is the solvent
- invisible negatively charged particle that orbits around the nucleus of the atom
- chemical reaction that takes place in cells
- anything that has mass and takes up space
- positively charged center of an atom; contains protons and neutrons
- description of a substance that can be pounded or rolled into sheets
- change in state from a solid to a gas
- positively charged particle in the nucleus of an atom
- change of state from a solid to a liquid
Down
- a table in which elements are organized by their physical and chemical properties
- pure substance formed when at least one metal and non-metal combine
- mass of one atom of an element calculated from the total number of protons, electrons and neutrons of that atom
- number of protons in the nucleus of one atom of an element
- group 2 elements of the periodic table, their reactivity is not as strong as the alkali metals
- pure substance that cannot be broken down into other substances
- description of how a substance interacts with another substance
- measure of atomic mass
- change that results when 2 or more substances react to create a new substance
- vertical column of elements in the periodic table
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
25 Clues: measure of atomic mass • change in state from a solid to a gas • a solution in which water is the solvent • change of state from a solid to a liquid • anything that has mass and takes up space • chemical reaction that takes place in cells • combination of symbols that represent a compound • vertical column of elements in the periodic table • ...
Chemistry Crossword 2017-11-11
Across
- combination of pure substances
- group 18 elements in the periodic table;the most stable and unreactive elements
- change in the appearance or state of a substance that does not change the composition
- group 17 elements in the periodic table;the most reactive non-metals
- vertical column of elements in the periodic table
- chemical reaction that releases energy
- a table in which the elements are organized by their physical and chemical properties
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- pure substance formed when at least one metal and one non-metal combine
- cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
- catalyst involved in chemical reactions in living things
Down
- change that results when two or more substances react to create a different substance or substances
- neutral particle in the nucleus of an atom
- heterogeneous mixture;mixture in which the different substances that make up the mixture are visible
- substance made of only one kind of matter, which has a unique set of properties
- chemical reaction that absorbs energy
- substance that strongly resists the flow of electricity
- substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
- pure substance formed when non-metals combine
- positively charged particle in the nucleus of an atom
- an experiment in which one or more products of a chemical reaction can escape
- substance that helps a chemical reaction to proceed more quickly
- element that has both metallic and non-metallic properties
- description of a substance that can be pounded or rolled into sheets
25 Clues: combination of pure substances • chemical reaction that absorbs energy • chemical reaction that releases energy • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • vertical column of elements in the periodic table • positively charged particle in the nucleus of an atom • substance that strongly resists the flow of electricity • ...
Chemistry Crossword 2017-11-07
Across
- neutral particle in the nucleus of an atom
- element that has both metallic and non-metallic properties
- catalyst involved in chemical reactions in living things
- cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
- Chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- chemical reaction that absorbs energy
- pure substance formed when non-metals combine
- a table in which the elements are organized by their physical and chemical properties
- pure substance formed when at least one metal and one non-metal combine
- substance made of only one kind of matter, which has a unique set of properties
- Change that results when two or more substances react to create a different substance or substances
- an experiment in which one or more products of a chemical reaction can escape
- substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
Down
- group 18 elements in the periodic table;the most stable and unreactive elements
- group 17 elements in the periodic table;the most reactive non-metals
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- positively charged particle in the nucleus of an atom
- vertical column of elements in the periodic table
- heterogeneous mixture;mixture in which the different substances that make up the mixture are visible
- change in the appearance or state of a substance that does not change the composition
- chemical reaction that releases energy
- combination of pure substances
- substance that strongly resists the flow of electricity
- description of a substance that can be pounded or rolled into sheets
- substance that helps a chemical reaction to proceed more quickly
25 Clues: combination of pure substances • chemical reaction that absorbs energy • chemical reaction that releases energy • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • vertical column of elements in the periodic table • positively charged particle in the nucleus of an atom • substance that strongly resists the flow of electricity • ...
chemistry crossword 2017-11-07
Across
- compound that dissolves in water to form a solution with a pH lower than 7
- principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
- group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- measure of atomic mass; 1 amu is equal to 1/12 the mass of a carbon 12 atom
- chemical combination of two or more elements in a specific ratio
- catalyst involved in chemical reactions in living things
- chemical reaction that releases energy
- an experiment in which all reactants and all products of a chemical reaction are accounted for
- slow chemical change that occurs when oxygen in the air reacts with a metal
- number of protons in the nucleus of one atom of an element
Down
- group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
- description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
- colourless, odourless gas;produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles
- 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
- mass mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu)
- change of state from a gas to a liquid
- ability of a substance to conduct electricity or heat
- a reaction that takes place when two or more substances react to form new substances
- change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
- combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- change of state from a gas to a solid
23 Clues: change of state from a gas to a solid • change of state from a gas to a liquid • chemical reaction that releases energy • ability of a substance to conduct electricity or heat • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • chemical combination of two or more elements in a specific ratio • ...
Chemistry Crossword 2017-11-08
Across
- To release heat
- number that represents the number of atoms in an element.
- Made from chemical reaction
- ability to pound into sheets
- When oxygen reacts w/ a substance to form a new substance.
- Non-Metal+Non-Metal
- Ability to conduct electricity/heat energy
- Ability to thin into wire.
- Slow chemical change when oxygen reacts with a metal
- To absorb heat
- Starting materials of a reaction
- Mass in given volume
- Shine of substance
Down
- solid to gas
- Cloudy mixture that can be separated
- Chemical change in your body
- gas to solid
- Metal+Non-Metal
- Material made of 2 or more elements
- Ability to dissolve.
- anything that has mass and occupies space
- Letters/Number to indicate what elements are in product
- Pure substance
- organic catalysts
- Substances that helps speed up a reaction
25 Clues: solid to gas • gas to solid • Pure substance • To absorb heat • To release heat • Metal+Non-Metal • organic catalysts • Shine of substance • Non-Metal+Non-Metal • Ability to dissolve. • Mass in given volume • Ability to thin into wire. • Made from chemical reaction • Chemical change in your body • ability to pound into sheets • Starting materials of a reaction • ...
Chemistry Crossword 2017-11-08
Across
- Letters/Number to indicate what elements are in product
- Material made of 2 or more elements
- Made from chemical reaction
- Non-Metal+Non-Metal
- organic catalysts
- gas to solid
- Ability to thin into wire.
- When oxygen reacts w/ a substance to form a new substance.
- Substances that helps speed up a reaction
- Chemical change in your body
- ability to pound into sheets
- Pure substance
Down
- Ability to dissolve.
- Shine of substance
- Slow chemical change when oxygen reacts with a metal
- number that represents the number of atoms in an element.
- anything that has mass and occupies space
- Starting materials of a reaction
- Metal+Non-Metal
- Ability to conduct electricity/heat energy
- To absorb heat
- Cloudy mixture that can be separated
- solid to gas
- To release heat
- Mass in given volume
25 Clues: gas to solid • solid to gas • To absorb heat • Pure substance • Metal+Non-Metal • To release heat • organic catalysts • Shine of substance • Non-Metal+Non-Metal • Ability to dissolve. • Mass in given volume • Ability to thin into wire. • Made from chemical reaction • Chemical change in your body • ability to pound into sheets • Starting materials of a reaction • ...
Chemistry Crossword 2017-11-08
Across
- 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
- positively charged particle in the nucleus of an atom
- Substance that help a reaction speed faster
- An experiment in which all reactants and all products of a chemical reaction are accounted for
- substance made of only one kind of matter, which has a unique set of properties
- When two or substances react to make a new substance
- 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
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
- new substance produced in a chemical reaction between reactants
- neutral particle in the nucleus of an atom
- shiny, malleable, ductile element that conducts electricity
Down
- slow chemical change that occurs when oxygen in the air reacts with a metal
- pure substance formed when at least one metal and one non-metal combine
- An experiment in which one or more products of a chemical reaction can escape
- dull, brittle element that does not conduct electricity
- group 18 elements in the periodic table;the most stable and nonreactive elements
- When a substance state changes, but can be changed back
- group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- Releases heat energy
- element that has both metallic and non-metallic properties
- positively charged center of an atom;contains protons and neutrons
- Absorbs heat energy
- group 17 elements in the periodic table;the most reactive non-metals
- catalyst involved in chemical reactions in living things
25 Clues: Absorbs heat energy • Releases heat energy • neutral particle in the nucleus of an atom • Substance that help a reaction speed faster • When two or substances react to make a new substance • positively charged particle in the nucleus of an atom • dull, brittle element that does not conduct electricity • When a substance state changes, but can be changed back • ...
cHEMISTRY CROSSWORD 2017-11-08
Across
- change that is irreversible
- substance made up of one type of matter had has unique properties
- a chemical reaction that occurs when oxygen in the air reacts with a substance to form a new substance and gives off energy
- chemical combination of two or more elements in a specific ratio
- system a material system that keeps the reaction just the reaction
- mixture of two or more pure substances that looks like one
- to absorb heat
- change that is reversible
- ability to dissolve
- system a material system in which mass or energy can be lost to or gained
- the weight of a substance
- nonmetal and nonmetal
- the things that are being used for the chemical reaction
Down
- to release heat
- what are made after mixing multiple reactants
- cloudy mixture that cannot be separated
- anything on the periodic table. Made up of one type of element
- a substance that makes a chemical reaction go faster
- it is a slow chemical change that occurs when oxygen decomposes metal
- cloudy mixture that can be separated
- the ability to pound and roll metal into sheets
- metal and nonmetal
- amount of mass in a given volume
23 Clues: to absorb heat • to release heat • metal and nonmetal • ability to dissolve • nonmetal and nonmetal • change that is reversible • the weight of a substance • change that is irreversible • amount of mass in a given volume • cloudy mixture that can be separated • cloudy mixture that cannot be separated • what are made after mixing multiple reactants • ...
Chemistry Crossword 2017-11-09
Across
- description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
- combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
- chemical reaction that releases energy
- group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
- 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
- change of state from a gas to a solid
- amount of mass in a given volume of a substance
- reaction that takes place when two or more substances react to form new substances
- number of protons in the nucleus of one atom of an element
- change of state from a gas to a liquid
Down
- chemical reaction that takes place in cells; food (sugar) reacts with oxygen to produce energy, water, and carbon dioxide
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- substance that helps a chemical reaction to proceed more quickly
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- chemical combination of two or more elements in a specific ratio
- mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu)
- chemical reaction that absorbs energy
- catalyst involved in chemical reactions in living things
- change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
- description of a solid that can be stretched into a long wire
- ability of a substance to conduct electricity or heat
- group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
- slow chemical change that occurs when oxygen in the air reacts with a metal
24 Clues: chemical reaction that absorbs energy • change of state from a gas to a solid • chemical reaction that releases energy • change of state from a gas to a liquid • amount of mass in a given volume of a substance • ability of a substance to conduct electricity or heat • catalyst involved in chemical reactions in living things • ...
Chemistry Crossword 2017-11-09
Across
- a substance that reacts with another substance to make a product
- most stable elements on the periodic table
- chemical combination of two or more elements
- the centre of an atom
- colourless, odorless gas which is very deadly
- the most reactive metals on the periodic table
- the amount of mass in a given volume of a substance
- a reaction that takes place when 2 different materials combine to make a new one
- the slow reaction that requires oxygen
- an atom electrically charged because it has lost or gained electrons
- anything that has mass and occupies space
Down
- description of an item that can be rolled into thin sheets
- a chemical reaction that is sudden and requires oxygen
- an irreversible change that creates a new substance
- a new substance created when 2 or more reactants react
- dull, brittle element that doesn't conduct electricity
- the mass of one atom of an element
- the most reactive non-metals on the periodic table
- the ability for an element to be turned into a wire
- the building blocks once called "atomos"
- number of protons and electrons in an atom
- symbols that represent a compound
- element with both metallic and non-metal properties
- a neutral particle in a nucleus
- a cloudy mixture which cannot be easily separated
25 Clues: the centre of an atom • a neutral particle in a nucleus • symbols that represent a compound • the mass of one atom of an element • the slow reaction that requires oxygen • the building blocks once called "atomos" • anything that has mass and occupies space • most stable elements on the periodic table • number of protons and electrons in an atom • ...
Chemistry Words 2016-09-26
Across
- Tells how many protons there are in an element
- Table consisting information of all the elements
- Group of electrons revolving around the nucleus
- subatomic particle that revolves around the nucleus and has a negative charge
- Does not retain shape or volume
- Two or more atoms combined and the smallest unit of a chemical compound
- Made of two or more elements chemically bonded
- Subatomic particle in the nucleus with a neutral charge
- Says if there are more protons than electrons in an atom or vice versa
Down
- The electrons that are on the last energy level of an atom
- Unit for measuring Atomic Mass
- Pure substance that cannot be broken down
- The mass of the subatomic particles in an element
- Retains volume but not shape
- Two or more elements and/or compounds physically in the same space but not bonded together
- Holds a certain amount of electrons until it has to go to the next energy level
- Subatomic Particle in the nucleus with a positive charge
- Center part of an atom and contains the protons and neutrons
- Building block of all matter
- Retains shape and volume
20 Clues: Retains shape and volume • Retains volume but not shape • Building block of all matter • Unit for measuring Atomic Mass • Does not retain shape or volume • Pure substance that cannot be broken down • Tells how many protons there are in an element • Made of two or more elements chemically bonded • Group of electrons revolving around the nucleus • ...
Chemistry Crossword 2018-01-19
Across
- change, a new substance
- figures: are used to determine the precision of a measurement
- is a measure of the average kinetic energy of the particles that make up a same of any material
- measurements of the amount of space an object takes up
- compares the mass of an object to it's volume
- is anything that takes up space (volume) and has mass
- are particles with negative charge
- energy, is associated with the movement of the particles
- gas, some attraction, some volume
Down
- change, a change in size, shape / no new substance
- measurements of the amount of matter in an object
- is used to measure temperature
- C=K-273
- cylinder: used to measure the volume of a liquid
- are particles with positive charge
- are particles with no charge
- gas, zero attraction, zero volume
- K=C+ 273
- can be heated, holds various chemical, not for measuring
- stand, base / pole of set-up
20 Clues: C=K-273 • K=C+ 273 • change, a new substance • are particles with no charge • is used to measure temperature • stand, base / pole of set-up • gas, zero attraction, zero volume • gas, some attraction, some volume • are particles with positive charge • are particles with negative charge • compares the mass of an object to it's volume • ...
Chemistry Crossword 2020-10-01
Across
- Same number of electrons and protons
- Smallest unit of matter
- Charge When an atom gives away one electron
- Are responsible for atomic bonding
- of atomic bonding where atoms share electrons
- Reaction Change in the Ionic structure of a substance
- Positively charged and located in the nucleus
- If particles are not bonded they are a
- Solid,liquid or gas
- Shells around the nucleus
- Why the atomic number has a decimal
- Reaction Evaporation, Freezing, and Condensation
- Fourth state of matter
Down
- Can change the state of matter
- React Gases on the far right of the Periodic Table
- Bonding that shares And exchanges electrons
- Elements on the far left on the Periodic Table do this with elements second from right on the Periodic Table
- Flow in electric currents
- These are created when a group of atoms bond together
- Has no charge
- Cannot be broken or changed
- Type of atomic bonding where atoms exchange electrons
- Number equal to a mole of atom
- Very large molecules that make up living plants or animals
- Table Organized by Atomic Number, How Atoms React, and What kind of atom (metal, nonmetal, gas)
- Contains 2 Hydrogen Atoms and 1 Oxygen Atom
26 Clues: Has no charge • Solid,liquid or gas • Fourth state of matter • Smallest unit of matter • Flow in electric currents • Shells around the nucleus • Cannot be broken or changed • Can change the state of matter • Number equal to a mole of atom • Are responsible for atomic bonding • Why the atomic number has a decimal • Same number of electrons and protons • ...