chemistry Crossword Puzzles
Chemistry crossword 2017-03-26
Across
- A reaction that involves the breakdown of a compound into simpler substances
- An ion that does not take part in a chemical reaction
- A reaction that involves the building up of compounds by combining simpler substances, normally elements
- A theory stating that the particles involved in a chemical reaction must collide in order to react
- A strong acid readily releases a hydrogen ion in a chemical reaction
- A reaction used to prodduce solid products from solutions of ionic substances
- A smaller molecule from which polymers are made
- The number of active molecules in a set volume of solution
- a substance that can be broken down by bacteria, fungi and other living organisms
- a substance that increases the rate of a reaction but is not used up in the reaction
- a mixture of a solute dissolved in a solvent such as water
Down
- A long-chain molecule formed by the joining of many smaller repeating molecules
- An insoluble compound formed in a precipitation reaction
- An acid which most of its molecules release hydrogen ions into solution
- A reaction that involves te combination of oxygen with a fuel
- A reaction in which an acid and a base combine to produce a metal salt and water
- A molecule that contains only carbon and hydrogen atoms
- This refers to an acid solution with a high concentration of hydrogen ions
- How fast or slow a reaction proceeds
- Process of joining of smaller units to form a long-chain molecule
- A reaction that involves oxygen and releases light and heat energy
- A small number of active molecules
22 Clues: A small number of active molecules • How fast or slow a reaction proceeds • A smaller molecule from which polymers are made • An ion that does not take part in a chemical reaction • A molecule that contains only carbon and hydrogen atoms • An insoluble compound formed in a precipitation reaction • The number of active molecules in a set volume of solution • ...
Chemistry crossword 2017-03-23
Across
- rate: how fast or slow a reaction proceeds.
- solution of ionic substances.
- a long-chain molecule formed by the joining of many
- into simpler substances.
- the number of active molecules in a set volume of
- concentration of hydrogen ions.
- into solution.
- reaction: a reaction use to produce solid products
- a reaction that involves the building up of compounds
- ion: an ion that does not take part in a
- reaction: a reaction that involves the combination of
- acid: an acid which most of its molecules release hydrogen
- a strong acid readily releases a hydrogen ion in a
- process of joining of smaller unit[monomers] to
- repeating molecules[monomer].
Down
- a small number of active molecules [such as acid] in a
- a mixture of a solute dissolved in a solvent such as
- a molecule that contain only carbon and hydrogen atom.
- A substance that increase the rate of a reaction but is
- a metal salt and water.
- combining simpler substances' normally elements.
- a small molecule from which polymers are made.
- acid: this refer to an acid solution with a
- theory: a theory that starting that the particles involved
- a reaction in which an acid and a base combine to
- An an object or substance that can be
- a reaction that involved a breakdown of a
- an insoluble compound formed in a precipitation
- a chemical reaction must collide in order to react.
- a long-chain molecule[polymer].
- with a fuel or metal.
- used in the reaction.
- reaction; can also be use to the bond between different
- down by bacteria.fungi and other living organisms.
34 Clues: into solution. • with a fuel or metal. • used in the reaction. • a metal salt and water. • into simpler substances. • solution of ionic substances. • repeating molecules[monomer]. • concentration of hydrogen ions. • a long-chain molecule[polymer]. • An an object or substance that can be • ion: an ion that does not take part in a • a reaction that involved a breakdown of a • ...
Chemistry Crossword 2017-03-25
Across
- A type of solution that contains the maximum amount of a solute that will dissolve in a given solvent at a specific temperature.
- The process in which dissolved solute comes out of solution and forms crystals.
- __________ properties are properties that depend only on the number of solute particles in solution and not on the nature of the solute particles.
- Also known as "water-loving". These are solutions that usually contains extremely large molecules such as proteins.
- The ration of mass of a solute to the mass of the solution, multiplies by 100%.
- The term used if two liquids are completely soluble in each other in all proportions.
- It is defined as the number of moles of solute in 1 L of solution.
- This refers to having a measurable vapor pressure. The vapor pressure of the solution is the sum of the individual partial pressure.
Down
- A type of solution that contains less solute than it has the capacity to dissolve.
- A process that causes cells to shrink and, eventually, to cease functioning.
- The term used when the solvation process used water as the solvent.
- An English chemist. His major contribution to science was his discovery of the law describing the solubility of gases, which now bears his name.
- It refers to adherence onto a surface.
- The number of moles of solute dissolved in 1 kg of solvent.
- The selective passage of solvent molecules through a porous membrane from a dilute solution to a more concentrated one.
- A type of solution that contains more solute than what is present in a saturated solution.
- A dispersion of particles of one substance throughout a dispersing medium made of another substance.
- The process in which an ion or a molecule is surrounded by solvent molecules arranged in a specific manner.
- It is made up of one or more cations and one or more anions held together by electrostatic force.
- _________ solution is a solution that obeys the Raoult's law. One of its characteristics is that its heat of the solution is zero.
20 Clues: It refers to adherence onto a surface. • The number of moles of solute dissolved in 1 kg of solvent. • It is defined as the number of moles of solute in 1 L of solution. • The term used when the solvation process used water as the solvent. • A process that causes cells to shrink and, eventually, to cease functioning. • ...
chemistry vocabulary 2021-12-09
Across
- smallest part of an element
- the valance elecrons determime the reactivity of an element
- a chnage where a substances atoms are rearranged into a new substances
- in the middle of the atom
- force=mass x acceleration
- run side to side in rows
- can have properties of both a metal or non metal
- small particles in the electron cloud
- are in the nucleus and have a positive charge
- law of action reaction
Down
- run up and down in columns
- can be malleable, luster, a conductor, and ductile
- a change in size, color, shape, or state of matter
- based on how many electrons are in them
- a cloud that surrounds the atom
- the law of inertia
- the electrons in the outside electron cloud
- a table that is arranged into periods and groups
- are in the nucleus and has a negative charge
- can be brittle, a insulator and can be dull
20 Clues: the law of inertia • law of action reaction • run side to side in rows • in the middle of the atom • force=mass x acceleration • run up and down in columns • smallest part of an element • a cloud that surrounds the atom • small particles in the electron cloud • based on how many electrons are in them • the electrons in the outside electron cloud • ...
Chemistry 1 2022-01-11
Across
- The number of protons in the nucleus of an atom
- An element with physical and chemical properties of both metals and nonmetals
- The prefix meaning "4"
- The gaining of electrons Hint: GER
- The types of rooms found on the right side of the table
- An ion with a negative charge
- Where most of the mass of an atom is
- He did the gold foil experiment
- Elements that contain the same number of protons but different numbers of electrons
- A substance with a low pH
- Types of elements found on the left side of the periodic table
- The smallest part of the atom
Down
- A compound that is made of two or more nonmetals
- A compound that is made of a metal & a nonmetal
- The arrangement of elements that organizes them by property and atomic number Hint: it is our main reference for elements
- Color of a sodium flame
- The temperature, in Celsius, at which water boils Hint: spell it out
- What is emitted when an electron falls from one energy level to another
- These should always be worn to protect our eyes in a lab
- An ion with a positive charge
- Type of room that consists of group 1 & 2
- The loss of electrons Hint: LEO
- Pure substance that cannot be broken down into smaller substances
- Form of matter made with electrons, neutrons, and protons
24 Clues: The prefix meaning "4" • Color of a sodium flame • A substance with a low pH • An ion with a negative charge • An ion with a positive charge • The smallest part of the atom • He did the gold foil experiment • The loss of electrons Hint: LEO • The gaining of electrons Hint: GER • Where most of the mass of an atom is • Type of room that consists of group 1 & 2 • ...
Chemistry Review 2021-12-08
Across
- Has properties of both metals and non-metals
- How many electrons are on the 3rd ring
- means shiny
- Means can be put in a wire
- How many electrons are on the first ring
- Means doesn´t let electricty pass through
- Can be found on right side of periodic table
- No charge
Down
- Has the protons and nuetrons in it
- means breaks easily
- How many electrons are on the second ring
- means not shiny
- Measure atoms mass
- means Can be changed into a sheet
- negative charge
- left side of periodic table
- Positive charge
- How much mass each proton and nuetron is
- Has the electrons in it
- How many rings can a atom have
20 Clues: No charge • means shiny • means not shiny • negative charge • Positive charge • Measure atoms mass • means breaks easily • Has the electrons in it • Means can be put in a wire • left side of periodic table • How many rings can a atom have • means Can be changed into a sheet • Has the protons and nuetrons in it • How many electrons are on the 3rd ring • ...
chemistry vocabulary 2021-12-08
Across
- rings
- number of parts a atom has
- has a neutral charge
- easily broken
- can be pulled into wire
- made of only one type of atom
- center of the atom
- found on the left side of the periodic table
- surrounds the atom
Down
- not shiny
- a new solid is formed
- has a negative charge
- has a positive charge
- change no new substance
- big number in a chemical formula
- smallest part of matter
- can be bent
- small number in a chemical formula
- change new substance
- electricity can pass through
20 Clues: rings • not shiny • can be bent • easily broken • center of the atom • surrounds the atom • has a neutral charge • change new substance • a new solid is formed • has a negative charge • has a positive charge • change no new substance • smallest part of matter • can be pulled into wire • number of parts a atom has • electricity can pass through • made of only one type of atom • ...
chemistry vocab 2021-12-08
Across
- smallest part of element
- negatively charged particle
- when an element has metals in it
- a set of at least two atoms
- right side of periodic table is ______
- left side of the periodic table is ______
- rows go from left to right on periodic table
- anything that takes up space and has mass
- atomic number is 1
- a pure substance that consists of one kind of atom
Down
- when a element has no metals
- outside of energy rings
- in nucleus and have positive charge
- the big letters on an element card
- has neutral charge and is about the same mass of proton
- run up and down on periodic table
- how much something weighs
- electrons arrange into these rings
- the small number on an element
- when heat and light do not pass through
20 Clues: atomic number is 1 • outside of energy rings • smallest part of element • how much something weighs • negatively charged particle • a set of at least two atoms • when a element has no metals • the small number on an element • when an element has metals in it • run up and down on periodic table • the big letters on an element card • electrons arrange into these rings • ...
Chemistry Vocabulary 2021-12-13
Across
- a type of matter defined by a unique particle
- a process during which the atoms of starting substances (reactants) rearrange to form new substances (products)
- to change phase from solid to liquid
- a mixture formed when one substance dissolves in another
- a code that represents the number and kinds of atoms in one particle of a substance
- a mixture of particles smaller than a suspension but larger than a solution, it can't be filtered, and it is not transparent
- capable of being dissolved
- not capable of being dissolved
- two or more substances together that do not form a new substance
- the amount of solute dissolved in a measure of solvent
Down
- a solution with a large amount of solute dissolved in a small amount of solvent
- a mixture with large particles, can be filtered, parts of it will separate on their own
- the name chemists use for a substance
- a substance in which a solute dissolves to form a solution
- anything that has mass and takes up space
- the everyday language name of a substance
- common name for sodium chloride
- to mix one substance uniformly into another substance at the particle level
- chemical formula for water
- a solution with a small amount of solute dissolved in a large amount of solvent
- the study of substances and their properties
- a substance that dissolves in a solvent to form a solution
22 Clues: chemical formula for water • capable of being dissolved • not capable of being dissolved • common name for sodium chloride • to change phase from solid to liquid • the name chemists use for a substance • anything that has mass and takes up space • the everyday language name of a substance • the study of substances and their properties • ...
Chemistry Puzzle 2022-01-04
Across
- a base used to wash your hands
- the first person to come up with a periodic table
- Has neutral pH
- a bond where atoms share electrons
- a negatively charged particle in the atom
- the study of how elements and their combinations
- these elements rarely react with others
- the smallest unit of an element
Down
- a reaction that requires energy
- used to determine whether a substance is an acid or a base
- are full often brittle and do not conduct heat or electricity
- turn red litmus paper blue and taste bitter
- the number of protons
- are shiny and conduct heat and electricity
- A bond where atoms lend or borrow electrons
- a citrus fruit that is an example of an acid
- the neutral particle in an atom
- The positively charged particle in the nucleus of an atom
- turn blue litmus paper red and taste sour
- share attributes of both metals and non metals
- a chemical that starts or speeds up a reaction
- a reaction that gives off energy
22 Clues: Has neutral pH • the number of protons • a base used to wash your hands • a reaction that requires energy • the neutral particle in an atom • the smallest unit of an element • a reaction that gives off energy • a bond where atoms share electrons • these elements rarely react with others • a negatively charged particle in the atom • turn blue litmus paper red and taste sour • ...
Chemistry Puzzle 2022-01-04
Across
- turn blue litmus paper red and taste sour
- used to determine whether a substance is an acid or a base
- share attributes of both metals and non metals
- a bond where atoms share electrons
- A bond where atoms lend or borrow electrons
- the smallest unit of an element
- a reaction that gives off energy
- are full often brittle and do not conduct heat or electricity
- the neutral particle in an atom
- turn red litmus paper blue and taste bitter
- Has neutral pH
- the study of how elements and their combinations
Down
- the first person to come up with a periodic table
- a base used to wash your hands
- the number of protons
- a citrus fruit that is an example of an acid
- The positively charged particle in the nucleus of an atom
- a chemical that starts or speeds up a reaction
- a negatively charged particle in the atom
- are shiny and conduct heat and electricity
- a reaction that requires energy
- these elements rarely react with others
22 Clues: Has neutral pH • the number of protons • a base used to wash your hands • the smallest unit of an element • a reaction that requires energy • the neutral particle in an atom • a reaction that gives off energy • a bond where atoms share electrons • these elements rarely react with others • turn blue litmus paper red and taste sour • a negatively charged particle in the atom • ...
Chemistry Puzzle 2022-01-04
Across
- used to determine whether a substance is an acid or a base
- a bond where atoms share electrons
- a chemical that starts or speeds up a reaction
- turn blue litmus paper red and taste sour
- share attributes of both metals and non metals
- are full often brittle and do not conduct heat or electricity
- the first person to come up with a periodic table
- The positively charged particle in the nucleus of an atom
- the number of protons
- these elements rarely react with others
- a reaction that requires energy
Down
- A bond where atoms lend or borrow electrons
- turn red litmus paper blue and taste bitter
- a base used to wash your hands
- the smallest unit of an element
- a reaction that gives off energy
- a citrus fruit that is an example of an acid
- the neutral particle in an atom
- a negatively charged particle in the atom
- are shiny and conduct heat and electricity
- the study of how elements and their combinations
- Has neutral pH
22 Clues: Has neutral pH • the number of protons • a base used to wash your hands • the smallest unit of an element • the neutral particle in an atom • a reaction that requires energy • a reaction that gives off energy • a bond where atoms share electrons • these elements rarely react with others • turn blue litmus paper red and taste sour • a negatively charged particle in the atom • ...
General Chemistry 2020-05-24
Across
- unit of mass, it's abbreviation is lbs.
- scale where the freezing point is 32° _ and it's boiling 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
- Composed of two or more substances combined physically in variable proportions
- a metric unit of length equal to one hundredth of a meter.
- Organic compound with carbon and oxygen only
- Elements at the left side and in the center of the periodic table
- 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.
- the size length or amount of something as established by measuring.
- Positively charged subatomic particle of an atom
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- 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 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.
- the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- Group 7A elements
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- a substance or object that is solid rather than liquid or fluid
- Horizontal row in the periodic table
- Negatively charged subatomic particle of an atom
- Element that appears at the far right side of the periodic table
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- The amount of space occupied by a substance
- Separates components of mixture at different boiling points.
- phase change in which liquid is converted to gas
- a period of time equal to sixty seconds or a sixtieth of an hour.
- Specific energy value of electrons for an atom
- inner transition elements located in the first row of the f block in the periodic table
Down
- The separation of elemental metals from the mixtures
- The quantity of matter in the body
- Uncharged particle found within the atomic nuclei
- the quality or state of being correct or precise.
- 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
- Elements found in the zigzag order 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.
- 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 structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
- Substance consisting of only one kind of atom
- the measurement or extent of something from end to end.
- Ratio of the mass of an object to the volume occupied by that object.
- The sum of the number of protons and neutrons in its nucleus
- Mixture whose a composition varies from position to position within a sample.
- movement of one fluid through another.
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- Called as solution a mixture with uniform composition.
- Phase change in which liquid is converted to solid
- Anything that has mass and occupies space
- Compound that consists of two charged ions
- Phase change that involves the conversion from solid to liquid
- Formed when atom loses or gains electron
- insert gas located at the rightmost side of the periodic table
- the quality, condition, or fact of being exact and accurate.
- bond Formed by losing and gaining of electrons between metal and nonmetal
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
- Composed of two or more substances combined physically in variable proportions
- a metric unit of length equal to one hundredth of a meter.
- Organic compound with carbon and oxygen only
- Elements at the left side and in the center of the periodic table
- 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.
- the size length or amount of something as established by measuring.
- Positively charged subatomic particle of an atom
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- 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 branch of science that deals with the identification of the substances of which matter is composed.
- the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- Group 7A elements
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- a substance or object that is solid rather than liquid or fluid
- Horizontal row in the periodic table
- Negatively charged subatomic particle of an atom
- Element that appears at the far right side of the periodic table
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- The amount of space occupied by a substance
- Separates components of mixture at different boiling points.
- phase change in which liquid is converted to gas
- a period of time equal to sixty seconds or a sixtieth of an hour.
- Specific energy value of electrons for an atom
- inner transition elements located in the first row of the f block in the periodic table
Down
- The separation of elemental metals from the mixtures
- The quantity of matter in the body
- Uncharged particle found within the atomic nuclei
- the quality or state of being correct or precise.
- 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
- Elements found in the zigzag order 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.
- 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 structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
- Substance consisting of only one kind of atom
- the measurement or extent of something from end to end.
- Ratio of the mass of an object to the volume occupied by that object.
- The sum of the number of protons and neutrons in its nucleus
- Mixture whose a composition varies from position to position within a sample.
- movement of one fluid through another.
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- Called as solution a mixture with uniform composition.
- Phase change in which liquid is converted to solid
- Anything that has mass and occupies space
- Compound that consists of two charged ions
- Phase change that involves the conversion from solid to liquid
- Formed when atom loses or gains electron
- insert gas located at the rightmost side of the periodic table
- the quality, condition, or fact of being exact and accurate.
- bond Formed by losing and gaining of electrons between metal and nonmetal
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
- the measurement or extent of something from end to end.
- Formed by losing and gaining of electrons between metal and nonmetal
- Positively charged subatomic particle of an atom
- the quality or state of being correct or precise.
- a substance or object that is solid rather than liquid or fluid
- Phase change in which liquid is converted to solid
- Called as solution a mixture with uniform composition.
- The quantity of matter in the body
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- Anything that has mass and occupies space
- Uncharged particle found within the atomic nuclei
- the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- Element that appears at the far right side of the periodic table
- Composed of two or more substances combined physically in variable proportions
- The separation of elemental metals from the mixtures
- 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.
- 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
- Horizontal row in the periodic table
- a period of time equal to sixty seconds or a sixtieth of an hour.
- 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.
- Phase change that involves the conversion from solid to liquid
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- 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
- Elements at the left side and in the center of the periodic table
- it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
- the size length or amount of something as established by measuring.
Down
- Mixture whose a composition varies from position to position within a sample.
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
- The amount of space occupied by a substance
- Ratio of the mass of an object to the volume occupied by that object.
- a result without the expected content
- Compound that consists of two charged ions
- phase change in which liquid is converted to gas
- insert gas located at the rightmost side of the periodic table
- 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
- Negatively charged subatomic particle of an atom
- Group 7A elements
- Elements found in the zigzag order in the periodic table
- movement of one fluid through another.
- Specific energy value of electrons for an atom
- the quality, condition, or fact of being exact and accurate.
- 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.
- inner transition elements located in the first row of the f block in the periodic table
- Formed when atom loses or gains electron
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- Organic compound with carbon and oxygen only
- a metric unit of length equal to one hundredth of a meter.
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- Separates components of mixture at different boiling points.
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
- Positively charged subatomic particle of an atom
- Organic compound with carbon and oxygen only
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- a result without the expected content
- the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- 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.
- movement of one fluid through another.
- Formed when atom loses or gains electron
- Uncharged particle found within the atomic nuclei
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- The amount of space occupied by a substance
- The quantity of matter in the body
- Substance consisting of only one kind of atom
- 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 measurement or extent of something from end to end.
- the quality, condition, or fact of being exact and accurate.
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- Anything that has mass and occupies space
- 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
- Phase change in which liquid is converted to solid
- Phase change that involves the conversion from solid to liquid
- phase change in which liquid is converted to gas
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- Separates components of mixture at different boiling points.
- Group 7A elements
- 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.
- inner transition elements located in the first row of the f block in the periodic table
- Element that appears at the far right side of the periodic table
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.
- Mixture whose a composition varies from position to position within a sample.
- the quality or state of being correct or precise.
- a substance or object that is solid rather than liquid or fluid
- the size length or amount of something as established by measuring.
- The separation of elemental metals from the mixtures
- insert gas located at the rightmost side of the periodic table
- Formed by losing and gaining of electrons between metal and nonmetal
- Called as solution a mixture with uniform composition.
- Elements found in the zigzag order in the periodic table
- The sum of the number of protons and neutrons in its nucleus
- it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
- Composed of two or more substances combined physically in variable proportions
- Specific energy value of electrons for an atom
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- Ratio of the mass of an object to the volume occupied by that object.
- Horizontal row in the periodic table
- the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- Compound that consists of two charged ions
- a period of time equal to sixty seconds or a sixtieth of an hour.
- Negatively charged subatomic particle of an atom
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
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 • ...
Chemistry Crossword 2020-09-03
Across
- Chemical symbol Au
- The ______ number is located above the element’s symbol
- A substance made up of two or more types of atoms
- The name of a horizontal line on the Periodic Table
- A grid like structure made up of atoms
- Is the 26th element of the periodic table
- Has a chemical symbol of K
- Ion with negative charge
- The atomic mass is made up of the number of protons and ______
- Name for electron shells
- The second electron shell holds ______ electrons
- Protons, neutrons and electrons are all ______ particles
- An atom with positive or negative charge
- Float around the nucleus in shells
- The atomic number is the number of ______ in an atom's nucleus
- Element with 9 protons
- A group of atoms that are bonded together
- The compound water is made up of 2 hydrogen atoms and 1 ______ atom
- Has the chemical symbol Be
- Sodium and ______ make up salt (NaCl).
- The periodic table was developed by ______ Mendeleev
Down
- The atom that becomes the ion, Cr3+
- Has an electron configuration of 2,8,2
- Another name for the outer shell of an atom
- First element on the periodic table
- Mendeleev was able to predict ______ of undiscovered atoms
- Non-reactive atoms have a ______ outer shell
- The name of a vertical line on the Periodic Table
- Nitrogen has ______ electrons
- Sulfur has ______ electrons in its outer shell
- Ion with positive charge
- Element with atomic number of 10
- Has a chemical symbol of Ag
- Ions are formed when an atom gains or ______ electrons
- The inside part of an atom that houses subatomic particles
- A substance made up of only one type of atom
- Smallest building block of matter
- The elements are arranged in ______ order
- There are 118 elements on the ______ table
- A group of atoms that have not been chemically bonded
40 Clues: Chemical symbol Au • Element with 9 protons • Ion with negative charge • Name for electron shells • Ion with positive charge • Has a chemical symbol of K • Has the chemical symbol Be • Has a chemical symbol of Ag • Nitrogen has ______ electrons • Element with atomic number of 10 • Smallest building block of matter • Float around the nucleus in shells • ...
Chemistry Quiz 2020-09-09
Across
- species that have unpaired electrons
- the total electrons in CH3 radical
- the hybridization of carbon in CO2
- the characteristic describing free radical substitution
- the bond that is broken during initiation of chlorine gas
- the effect of electron donating or withdrawing groups
- the phase required to produce free radicals
- the arrow used to describe radicals
- total unpaired electrons in NO gas
- when radicals combine to produce a molecule
- a condition where all atoms lie on the same plane
- a symmetrical bond breaking
- heat evolved
Down
- an intermediate that has only six outer electrons in the carbon atom
- the formal charge of a carbon atom in CH3Cl
- the first step in free radical substitution
- the shape of ammonia molecule
- an acidic gas produced when methane reacts with chlorine under sunlight
- the second step in free radical substitution
- the yield of halogenoalkane that is produced in free radical substitution
- the type of light used in homolytic bond fission
- a chemical process in initiation step
- a type of covalent bond that the source of bonding electrons only from one atom
- having 8 outer electrons
24 Clues: heat evolved • having 8 outer electrons • a symmetrical bond breaking • the shape of ammonia molecule • the total electrons in CH3 radical • the hybridization of carbon in CO2 • total unpaired electrons in NO gas • the arrow used to describe radicals • species that have unpaired electrons • a chemical process in initiation step • the formal charge of a carbon atom in CH3Cl • ...
GENERAL CHEMISTRY 2020-06-03
Across
- a positively charged elementary particle that is a fundamental constituent of all atomic nuclei.
- a chemical element that exhibits some properties of metals and some of nonmetals
- 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.
- number that is non (blank)are always significant
- is the process of loosening the edible part of grain (or other crop) from the chaff to which it is attached. It is the step in grain preparation after reaping.
- is a heterogeneous mixture that contains solid particles sufficiently large for sedimentation.
- is one of the states of matter, it consist of atoms or molecules that are connected by intermolecular bonds.
- figures are any non-zero digits or trapped zeros. They do not include leading or trailing zeros.
- the impetus for which a chemical substance undergoes a chemical reaction, either by itself or with other materials, with an overall release of energy.
- is a unit of measure of the rate of electron flow or current in an electrical conductor.
- the chemistry of carbon compounds
- is a type of bonds require at least one electron donor and one electron acceptor.
- is the method in which heavier components of the mixture are separated from the lighter substances with the help of wind.
- composed of electrons and a nucleus. The nucleus contains protons and neutrons.
- The term itself usually refers to the magnetic dipole moment.
- is a temperature scale designed so that zero degrees K is defined as absolute zero
- This method is best for separating a liquid from a solution.
- is a mixture in which one substance of microscopically dispersed insoluble or soluble particles is suspended throughout another substance.
- is a chemical element with the symbol C and atomic number 6.
- A particle found in the nucleus of an atom. It is almost identical in mass to a proton, but carries no electric charge.
- a standard scientific unit for measuring large quantities of very small entities such as atoms, molecules, or other specified particles.
- is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540×1012 Hz and that has a radiant intensity in that direction of 1/683 watt per steradian.
- the quality of an object or substance with respect to light reflected by the object, usually determined visually by measurement of hue, saturation, and brightness of the reflected light; saturation or chroma.used to identify physical property
- is a state of matter characterized by particles arranged such that their shape and volume are relatively stable.
- is a physical property of matter, as each element and compound has a unique density associated with it.
- is the ability of a chemical to burn or ignite, causing fire or combustion.
- is anything that has mass and takes up space.
Down
- the degree to which a chemical substance or a particular mixture of substances can damage an organism.
- is the base unit of time in the International System of Units
- defined as a state of matter consisting of particles that have neither a defined volume nor defined shape
- The process used to separate slightly larger particles from a mixture by hand
- used to separate dry mixtures wich contains substances of different sizes by passing it through a sieve
- a view of reactions: single atomic/molecular collisions
- a branch of chemistry that deals with the identification of compounds and mixtures
- a unit of force and weight, equal to the force that produces an acceleration of 9.80665 meters per second per second
- composed of different substances or the same substance in different phases, as solid ice and liquid water.
- state of matter change from vapor phase to liquid phase.
- is a state of a chemical reaction is a particular configuration along the reaction coordinate.
- a solid, liquid, or gaseous mixture that has the same proportions of its components throughout any given sample.
- a chemical link formed between atoms in molecules and molecules and ions in crystals.
- are chemical compounds with one or more oxygen atoms combined with another element
- this is a more common method of separating an insoluble solid from a liquid.
- is a chemical reaction that occurs between a fuel and an oxidizing agent that produces energy, usually in the form of heat and light.
- is a special type of homogeneous mixture composed of two or more substances.
- is study of the chemical substances and processes that occur in plants, animals, and microorganisms and of the changes they undergo during development and life.
- is the process by which water changes from a liquid to a gas or vapor.
- is the component of a solution that is present in the greatest amount.
- is defined as the substance that is dissolved in a solution.
- is the ability of a solid, liquid, or gaseous chemical substance (referred to as the solute) to dissolve in solvent (usually a liquid) and form a solution
- is a substance with a pH value of more than 7.Views: 13951 Update:2019-11-16
- the fundamental unit of length in the metric system
51 Clues: the chemistry of carbon compounds • is anything that has mass and takes up space. • number that is non (blank)are always significant • the fundamental unit of length in the metric system • a view of reactions: single atomic/molecular collisions • state of matter change from vapor phase to liquid phase. • This method is best for separating a liquid from a solution. • ...
chemistry final 2020-06-11
Across
- a change in condition amount or level
- how far something goes
- how tall something is
- to put force on another object
- facts and statistics collected together for reference or analysis
- the lowest number of something
- the highest number of something
- how heavy something is
- relating to heat
- a substance that is formed as the result of a chemical reaction
- to push someone or something
- to throw something
- a proposed explanation based on limited evidence
Down
- having similar results over many tests
- a device for igniting a mixture
- the region between the highest and lowest value
- a project to prove a theory
- an instrument for measuring temperature
- to get greater in size
- able to be changed or adapted
- the amount of space an object has
- the speed of something in a given direction
- a gust of air
- 0 degrees 45 degrees 90 degrees are called
- the relationship between the mass and volume
- a series of actions or steps taken in order to achieve something
26 Clues: a gust of air • relating to heat • to throw something • how tall something is • how far something goes • to get greater in size • how heavy something is • a project to prove a theory • to push someone or something • able to be changed or adapted • to put force on another object • the lowest number of something • a device for igniting a mixture • the highest number of something • ...
Chemistry Crossword 2020-06-05
Across
- the study of matter
- SI basic unit of temperature
- takes shape of the container, not definite
- Chemical " "
- gas to solid
- " " Figures
- the liquid poured into another container during decantation
- mixture, uniform in composition
- a mixture is poured into a centrifuge apparatus
- exhibits the Tyndall Effect
- solid to liquid
- Physical " "
- separation is dependent upon the solubility of each component in the solvent
- solid particles are allowed to settle at the bottom
- used in Magnetic Separation
- concerned with the properties and behavior of inorganic compounds, which include metals, minerals, and organometallic compounds
- another word for "Intrinsic" Property
- composed of two or more substances
- liquid to solid
- simplest form of matter
- quantity of matter in the object
- " " Property, ability of a substance to react with other substances
- ratio of the mass of an object to the volume it occupies
- amount of space occupied by a substance
- definite shape and volume
- consists of coarse particles that are visible to the naked eye.
- " " Notation
- branch of science that explores the chemical processes within and related to living organisms
Down
- separating a homogenous mixture composed of two substances
- the substance which remains in the strainer
- solid to gas
- another word for freezing
- determined when a certain quantitative value is relatively close to the "true" value
- the liquid that passes through the strainer
- gas to liquid
- separating the components of a suspension
- tells how hot or cold an object is
- anything that has mass and occupies space
- takes shape of the container, definite
- consistency of a result
- old term of melting, solid to liquid
- formed from reaction of elements
- liquid to gas
- " " Change, occurs when the internal make-up of matter stays the same.
- macroscopic, and particulate phenomena in chemical systems
- composition varies from one position to another
- " " Analysis
- study of the structure, properties, composition, reactions and preparation of carbon-containing compounds
- science of obtaining, processing, and communicating information about the composition and structure of matter
- another word for "Extensive" Property
50 Clues: solid to gas • gas to solid • gas to liquid • liquid to gas • " " Figures • solid to liquid • liquid to solid • Chemical " " • Physical " " • " " Analysis • " " Notation • the study of matter • consistency of a result • simplest form of matter • another word for freezing • definite shape and volume • exhibits the Tyndall Effect • used in Magnetic Separation • ...
General Chemistry 2020-06-05
Across
- It is used to quantify the electric current with the “A” symbol.
- It is generally used by farmers to separate grains from stalks after harvesting.
- It is denoted by the symbol “M” in the SI that is in the millionth numerical value.
- It is denoted by the symbol “d” in the SI that is in the tenth numerical value.
- It is the state of matter when particles are neither too close nor too far from each other.
- 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 the state of matter when particles are very close to each other.
- It is the process of separating elemental metals from other particles in a mixture.
- It is the process of converting liquid to gas.
- A type of chemical property: whether the substance undergoes combustion or not.
- ____ figures are the digits in any measurement that are known with certainty, plus one digit which is uncertain.
- It is used to quantify the temperature with the “K” symbol.
- It is the smallest particle of an element.
- It is a simple technique for separating dry mixtures.
- Hand ____ is the simplest method in separating mixtures.
- This physical property is also called as intrinsic property that does not depend on the size or amount of the sample.
- It occurs when solid turns into gas by the addition of heat.
- It exhibits the Tyndall Effect. It consist of dispersed phase or the substance that is dissolved or scattered.
- ____s between nonzero digits are significant.
- _____ chemistry is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
- It is the state of matter when particles are far apart from each other.
- It is used to quantify the length with the “m” symbol.
- 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.
- _____ notation is used in counting the number of significant figures.
- It is used to quantify the time with the “s” symbol.
- It is a mixture whose composition varies from one position to another within the sample.
- A type of chemical property: whether it reacts with acids, bases, and oxygen, gas, or not.
- These are composed of two or more substances combined physically in variable proportions.
Down
- This type of change occurs when the internal make-up of the matter stays the same even after the change.
- A type of chemical property: whether the substance can be easily decomposed or not.
- It is the simplest form of matter since it is composed of only one kind of atom.
- It is anything that has mass and occupies space.
- 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 occurs when gas turns into solid.
- In _____ and division, the answer must have the same number of significant figures as the measured number with the lowest number of significant figures.
- It is used to quantify the mass with the “kg” symbol.
- It is denoted by the symbol “T” in the SI that is in the trillionth numerical value
- It is the process of determining the extent of the dimensions, quantity, or extent of something.
- It is denoted by the symbol “m” in International System of Units in the thousandth numerical value.
- This type of change occurs when a substance is converted into a new substance.
- It is denoted by the symbol “p” in the SI that is in the trillionth numerical value.
- It is denoted by the symbol “G” in the SI that is in the billionth numerical value.
- A type of chemical property: whether it will break into charged particles when in solution with water or not.
- Extensive physical property is also called as _____ property.
- It refers to how the values agree closely with one another.
- It is denoted by the symbol “c” in the SI that is in the hundredth numerical value.
- A type of chemical property: whether the substance can damage an organism 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.
- It is a mixture that is also called as solution since it is relatively uniform in composition.
- 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 2020-05-31
Across
- whether the substance undergoes combustion or not.
- has the symbol c and a numerical value of 10^-2
- Separation/ the process of separating elemental metals from other particles in the mixture.
- mixture/ is a solid/ liquid/ or gaseous mixture that has the same proportions of its components throughout any given sample.
- has the symbol M and a numerical Value of 10^6
- has no definite shape and no definite volume.
- has the symbol μ and a numerical value of 10^-6
- Elements react with each other to form ___.
- is the amount of substance and uses the symbol mol
- how many significant figures does 143 have?
- process of separating heterogeneous mixtures by allowing the solid particles to settle at the bottom first.
- is a measure of the amount of space that a substance or an object takes up.
- has a definite shape and a definite volume.
- Figures/ the digits in any measurement that are known with certainty with an additional one digit which is uncertain.
- has a definite volume but has no definite shape.
- Physical Property/ also named extrinsic property (depends on size and amount).
- is a heterogeneous mixture that contains solid particles sufficiently large for sedimentation.
- occurs when gas is converted to solid.
- property/ the ability of a substance to react with other substances.
- Substance/ a matter that has a definite composition and distinct properties.
- the process of converting liquid into gas.
- Chloride/ formed when sodium(Na) atom reacts with chlorin (C) atom.
- is a mixture in which one substance of microscopically dispersed insoluble.
- also a process of separating heterogeneous mixtures by spinning using centrifugal force.
Down
- occurs when solid is converted to gas by the addition of heat.
- anything that has mass and occupies space.
- is the study of the chemical substances and vital processes occurring in live organisms.
- has the symbol p and a numerical value of 10^-12
- is the consistency of a result.
- determined when a certain quantitative value is relatively close to the "true" value.
- a method of separating complex mixtures/ an example is paper chromatography and such.
- Physical Property/ also called intrinsic property (does not depend on the size or amount of sample).
- Chemistry/ is the science of obtaining/ processing/ and communicating information about the composition and structure of matter.
- has the symbol k and a numerical value of 10^3
- is a measure of the amount of matter in an object.
- has the symbol G and a numerical value of 10^9
- mixture/ is a solid/ liquid/ or gaseous mixture that has the same proportions of its components throughout any given sample.
- how many significant figures does 1.234x10^-9 have?
- has the symbol d and a numerical value of 0.1
- are composed of two or more substances combined physically in variable proportions.
- how many significant figure(s) does 0.000002 have?
- how many significant figures does 10101 have?
- is the simplest form of matter composed by only one atom.
- has the symbol n and a numerical value of 10^-9
- has the symbol m and a numerical value of 10^-3
- property/ can be measured and observed changing the composition of the substance.
- is a process on extricating mixtures that have two substances with different melting points.
- Notation/ the process of simplifying very large or very small numbers.
- has the symbol T and a numerical value of 10^12
- Chemistry/ the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
50 Clues: is the consistency of a result. • occurs when gas is converted to solid. • anything that has mass and occupies space. • the process of converting liquid into gas. • Elements react with each other to form ___. • how many significant figures does 143 have? • has a definite shape and a definite volume. • has no definite shape and no definite volume. • ...
Chemistry Crossword 2022-03-10
Across
- Particles in a atom with a positive charge.
- Particles in a atom with no charge.
- A mixture in which pure substances are unevenly distributed throughout the mixture.
- A change in which energy is taken in.
- A binary compound where one element is hydrogen and the other is a nonmetal
- Carbon dioxide gas in the atmosphere dissolving into the ocean
- Releases energy.
- Mixture of two or more metals
- A positively charged ion
- A solution with a pH of seven
Down
- An inorganic acid whose molecules contain oxygen, such as sulfuric or nitric acid
- A negatively charged ion
- Formed when one or more electrons are transferred from one atom to another
- Particles in a atom with a negative charge.
- A compound that does not ionize in a solution
- A mixture of compounds that resist change in pH
- A compound that has a pH of more than seven
- A mixture in which substances are evenly distributed throughout the mixture.
- A combination of chemical symbols and numbers to represent a substance
- Compounds composed of cations and anions
- A compound that has a pH of less than seven
21 Clues: Releases energy. • A negatively charged ion • A positively charged ion • Mixture of two or more metals • A solution with a pH of seven • Particles in a atom with no charge. • A change in which energy is taken in. • Compounds composed of cations and anions • Particles in a atom with a positive charge. • Particles in a atom with a negative charge. • ...
Fossil/Chemistry 2022-02-14
Across
- a tool used to brush off dirt and other stuff from an artifact
- oldest archaeology dig
- solid,liquid,gas,plasma
- story made by Homer (roman author)
- just like a fingerprint
- parts of atom with neutral charge
- helps to absorb the ultra-violet radiation from the sun
- energy used for Catscan
- solid form of a fossil fuel
- use of radioactive decay
- makes a 3D image from multiple 2D x-rays
- (CFC) breaks down the ozone
- neutrons + protons
- Methane,nitrogen dioxide,flourinated gases,carbon
- the deeper something is the older it is
- turned to stone or mineralization
- used to dig after the space is no longer able to be dug by a shovel
- the hallowed out formation of the organism
- the remains of plants and animals that lived a long time ago
- non-renewable source
- when the layer of ozone in the atmosphere is almost gone
- a person who studies human history
- radiowaves locate and create images
Down
- chemical analyse of gas ions
- parts of atoms with a charge
- person who studies fossils
- when the entire organism gets trapped in ice,tar,or amber
- the warming of our planet at a rate faster than nature
- combines with itself to be stable in nature
- parts of an organism that are made up of bones example-bone leg
- amount of time for a substance to reduce its mass
- liquid form of fossil fuels
- natural gas is located above these pockets
- no energy left in a substance
- building blocks of the universe (they have no charge)
- a tool used to dig
- 2 or more elements that have no charge and come together to become zero
- footprints
- gas form of fossil fuels
- an atom with a charge (+ or -)
- used to blow air to get dirt and other things off of something that the archaeologists are digging for
- Newest archeological dig
- energy used for MRI
- 2 or more elements with a charge
- formed by filling in the mold fossil
45 Clues: footprints • a tool used to dig • neutrons + protons • energy used for MRI • non-renewable source • oldest archaeology dig • solid,liquid,gas,plasma • just like a fingerprint • energy used for Catscan • use of radioactive decay • gas form of fossil fuels • Newest archeological dig • person who studies fossils • solid form of a fossil fuel • liquid form of fossil fuels • ...
Carbonyl chemistry 2022-03-15
Across
- results in higher boiling point
- able to bond to H-bond
- shorter and stronger than C=C double bond
- the boiling point is 117.9 degrees C
- widely used to methylate carboxylic acids
- another way of drawing a Lewis dot structure for a given compound
- differ from acids by having a leaving group in place of OH functionality
- strong bond, therefore hard to stretch, therefore takes more energy
- more stable than aldehydes
- can act as a nucleophile
Down
- simplist carbonyl group
- more reactive than the parent compound so further reactivity is very likely
- exists between C and O 2p orbitals
- the boiling point is 221.2 degrees C
- usually give two carbonyl stretches
- the boiling point is 50.9 degrees C
- reduced double bond character of carbonyl group
- organic reaction which is employed to convert carboxylic acids in presence of excess alcohol and a strong acid catalyst to give an ester as a final product
- amine + carboxylic acid
- destroys the organometallic reagent
20 Clues: able to bond to H-bond • simplist carbonyl group • amine + carboxylic acid • can act as a nucleophile • more stable than aldehydes • results in higher boiling point • exists between C and O 2p orbitals • usually give two carbonyl stretches • the boiling point is 50.9 degrees C • destroys the organometallic reagent • the boiling point is 221.2 degrees C • ...
AROMATICITY CHEMISTRY 2021-10-28
Across
- a Friedel craft reaction that leads to the addition of alkyl substituent to a benzene ring via alkyl carbonation?
- Which 5-memebered heterocyclic compound is most reactive in Electrophilic aromatic substitution reactions?
- A chemical specie that forms a chemical bond by donating its pair of electrons.
- rule - A formulaic factor that is used to determine if a compound is aromatic
- a fully conjugated cyclic system, that is planar and obey huckle’s rule is said to be?
- A benzene mono-substituted with NO2 causes a relatively slow reaction of the benzene ring. What substituent group is NO2?
- tetrafluoroborate-In the nitration reaction, what is the other reagent that can be used instead of nitric acid and sulphuric acid at very low temperatures?
- Acid- Oxidation of alkyl benzene with Potassium permanganate give rise to?
- bromide- What catalyst is added to enable a reaction between a benzene ring and molecular bromine?
- The reaction between diazonium ion and cuprous salt is called
- Which reduction reaction reduces a carbonyl unit to CH2 under acidic conditions?
- groups (electron withdrawing groups) dictate their substituents to which position on the benzene ring?
Down
- -A Friedel – Craft reaction that causes a straight alkyl side chain to a benzene followed by the loss of (C=O).
- a reaction for heterocyclic compound ring construction using nitrile in the presence of azide ion or alkynes as starting material
- - A substituent compound or molecule that is at position 2 to the main functional group on an aromatic compound is at what position
- Aromatic substitution reaction that works well for both pyridine & quinoline
- One of the rules of aromaticity is that aromatic compounds must be what geometry-
- A group that increases the rate of a reaction of a benzene ring and directs incoming substituent to ortho or Para position is-
- Occurs when two or more 2p orbitals overlap in an acyclic or cyclic system
- isomerism Tautomerism is also known as what?
- only involves the movement of electrons and never atoms
- halides-Compounds that do not react with benzene without a catalyst (Lewis acid catalyst e.g., FeBr3) present.
- the effect of influencing the position of different groups on the benzene ring is?
- – a reaction for heterocyclic compound ring construction using 1,4 or 1,5- diketone
- Benzene is more comfortable to undergo what type of substitution reaction
25 Clues: isomerism Tautomerism is also known as what? • only involves the movement of electrons and never atoms • The reaction between diazonium ion and cuprous salt is called • Benzene is more comfortable to undergo what type of substitution reaction • Occurs when two or more 2p orbitals overlap in an acyclic or cyclic system • ...
Chemistry review 2021-10-22
Across
- Harmful effect
- Gas, Not shiny, Poor conductor, Low malleability Easiness to be hammered un sheet
- Quick/weak
- nonmetal and nonmetal
- Danger
- Smell
- Metal and nonmetal
- Easiness to bend or shape
- Shiny, Good conductor, High malleability
- Negative of Charge in ion
- low/high
- Positive of Charge in ion
- P+ charge in nucles
- Amount of matter per unit volume
- e- charge in energy level
- The glowing splint
Down
- Remain uncharge
- Temperature substance Boling
- Big/small
- In the periodic table
- something to see your element
- shininess
- React with oxygen
- Very reactive
- Strong/week
- Favor
- not reactive
- Temperature substance melt
- feel of surface
- In the periodic table
- The symbol type of hazard
31 Clues: Smell • Favor • Danger • low/high • Big/small • shininess • Quick/weak • Strong/week • not reactive • Very reactive • Harmful effect • Remain uncharge • feel of surface • React with oxygen • Metal and nonmetal • The glowing splint • P+ charge in nucles • In the periodic table • nonmetal and nonmetal • In the periodic table • Easiness to bend or shape • Negative of Charge in ion • Positive of Charge in ion • ...
Chemistry review 2021-10-22
Across
- mass / volume = -?-
- The element in period 3, group 13
- In a -?-, all elements have similar number of energy levels
- the sum of the protons and neutrons in the nucleus of an atom
- The formula of this molecular compound is CO2
- A pure substance that can’t be broken down into simpler substance
- The element in period 4, group 2
- The transition of a substance directly from the gas to the solid state
- A negatively charged ion (after gaining electrons)
- The transition of a substance directly from the solid to the gas state
- The formula of this ionic compound is Li₂S
- The most reactive metals
- A mixture where different substance are not visible (only 1 phase)
- In a -?-, all elements have similar number of valence electrons
- Have properties of both metal and non-metal
- The molecular compound formed when hydrogen and oxygen is sharing electrons(the answer is the formula)
- The elements in this group have a full valence shell
- A pure substance that contains 2 or more elements in a fixed ratio
Down
- An electron in the outermost shell
- Ability of a substance to react with oxygen
- Using what you already know to make an educated guess about what will happen
- Sodium chloride, calcium fluoride, magnesium oxide
- A positively charged ion (after losing electrons)
- The ability to be stretched into a wire
- A mixture where different substance a visible (more than 1 phase)
- The ionic compound formed when sodium reacts with chloride (the answer is the formula)
- Carbon dioxide,dinitrogen monoxide,hydrogen peroxide
- The WHMIS symbol for products that could cause skin burns and serious eye damage
- A metal’s capability to be hammered into a sheet
- Atoms of the same element that have different number of neutrons
- The most reactive non-metals
- the creator of the plum pudding model
32 Clues: mass / volume = -?- • The most reactive metals • The most reactive non-metals • The element in period 4, group 2 • The element in period 3, group 13 • An electron in the outermost shell • the creator of the plum pudding model • The ability to be stretched into a wire • The formula of this ionic compound is Li₂S • Ability of a substance to react with oxygen • ...
Chemistry Crossword 2021-10-25
Across
- one or more substances are converted into a new substance with new properties, most are irreversible
- discovered the atom was spherical in shape, found this information in 1803
- a guess made by an observer, every guess only has 1
- also known as amu, is the sum of the masses of the element's isotopes Isotope atom of the same element with a different number of neutrons, EX> Beryllium 8=Beryllium 9
- neutral, found in nucleus, contributes to mass
- how reproducible your data is, hitting the same spot consistently
- increases with temperature increase, expands
- number of protons equal to the number of electrons, also known as a stable atom
- amount of matter in a given amount of space, unique to the object, to find use the equation: mass/volume
- discovered electrons, plum pudding, Cathode Ray Tube Experiment
- observed/measured without changing the substance itself, EX> color/shape/texture/smell/state of matter/etc.
- numerical data, EX> age/weight/amount
- located in the middle of the box representing the element, tells you what the element is
- positive, found in nucleus, contributes to mass
Down
- change is a substance that does not alter the chemical identity, EX> ripping/cutting/sharpening/etc.
- gold foil experiment, discovered that the nucleus was small/dense/positive
- negative, found outside the nucleus, does not contribute to mass
- discovered the atom, greek philosopher
- used to distinguish between and identify substances, can be physical or chemical
- you can find it by adding the number of protons and number of neutrons, it is the total number of protons and neutrons in the nucleus
- indicates how a substance will react/fail to react with another substance, determined by changing the substances identity/composition
- two or more elements that are chemically combined, definite ratio
- how close your answer is to the accepted value, hitting the bullseye
- smallest particle of an element that has the same properties as the element, has a central nucleus
- a substance that is made of one kind of atom, it cannot be decomposed into a simpler substance by ordinary chemical processes.
- data observed without measuring, EX> color/shape/smell/texture/etc.
- bendable, pounded into thin sheets
- never changes, measured in grams
- located at the top of the box representing the element, is equal to the number of protons
- formed into a wire, ability to be formed without fracture
30 Clues: never changes, measured in grams • bendable, pounded into thin sheets • numerical data, EX> age/weight/amount • discovered the atom, greek philosopher • increases with temperature increase, expands • neutral, found in nucleus, contributes to mass • positive, found in nucleus, contributes to mass • a guess made by an observer, every guess only has 1 • ...
Aromatic Chemistry 2021-11-11
Across
- Describes the reaction where the diazonium ion reacts with cuprous salts
- Known as dynamic isomerism
- This is a foul-smelling aromatic amine, which is very unreactive
- Electron-loving, a reactant which accepts pairs of electrons to form a new covalent bond
- Adding a carbon chain onto a benzene ring
- Aromaticity requires a ... system to be fullyconjugated
- The 3 directing groups are para, ortho and ...
- A functional group attached to benzene which removes electron density
- Where more than 2 p orbitals overlap in an acylic or cyclic system
- The alkylation process of the addition of an alkyl halide to an aromatic ring using a strong Lewis acid
- How sp3 carbons act which reduces the number of resonance forms
- A characteristic of benzene describing how all the molecule's atoms lie within the same plane
Down
- Ion which is the electrophile in Nitration reactions
- Pyridine is less reactive than benzene in ... aromatic substitution reactions
- Pyridine undergoes this aromatic substitution reaction
- This is a positively charged ion which is produced during electrophilic substitution
- This involves the movement of electrons
- The reaction where benzene reacts with Cl or Br in a catalyst's presence
- When benzene diazonium chloride reacts with fluoroboric acid at a temperature of 0*C to produce fluoro benzene
- groups Atoms or groups which increase the reactivity of benzene by increasing the ring's electron density
- How identical resonance forms will contribute
- This is the 4n + 2 rule
- This is required when Cl/Br are not strong enough electrophiles in a halogenation reaction
23 Clues: This is the 4n + 2 rule • Known as dynamic isomerism • This involves the movement of electrons • Adding a carbon chain onto a benzene ring • How identical resonance forms will contribute • The 3 directing groups are para, ortho and ... • Ion which is the electrophile in Nitration reactions • Pyridine undergoes this aromatic substitution reaction • ...
Chemistry Crossword 2021-11-18
Across
- This element normally has 31 electrons
- a table of the chemical elements arranged in order of atomic number.
- is the elemental symbol for Helium
- The far right column on the periodic table is this group: _________ gasses.
- Ag is the chemical symbol for this element.
- This element has just 1 proton and 1 electron
- This element has an atomic weight of 15.999
- neutrally charged particle
- this is the symbol for chlorine.
- is the elemental symbol for Bromine
- positively charged particle
- this elements atomic number is 78
- This elements symbol is "Au"
- sodium has this symbol
- This element symbol is "Ni".
Down
- This elements atomic number is 14
- Element # 6 is essentail for life as we know it.
- This element has 27 protons
- This elements symbol is "Hg".
- Each horizontal row on the periodic table is called a ________.
- This element has just 3 protons
- This element has an atomic number of 10
- This elements symbol is "Fe".
- negatively charged particle
- This element has 7 protons and 7 electrons.
- Li,Na,K,RB,CS,Fr are all part of this group.
- This elements symbol is "Sn".
- has an atomic weight of 24.305
28 Clues: sodium has this symbol • neutrally charged particle • This element has 27 protons • negatively charged particle • positively charged particle • This elements symbol is "Au" • This element symbol is "Ni". • This elements symbol is "Hg". • This elements symbol is "Fe". • This elements symbol is "Sn". • has an atomic weight of 24.305 • This element has just 3 protons • ...
Aromatic Chemistry 2021-11-10
Across
- __ is a very unreactive and stable aromatic imine
- A compound is __ when one or more series of atoms in the compound is connected to form a ring
- When dry, benzene diazonium chloride is __
- An electron transfer mediated radical reaction involves benzene diazonium chloride producing a __
- __ is the transfer of an alkyl group from one molecule to another
- In the __ position a nitro group cannot stabilize a negative charge
- Pyridine does not undergo EAS because the ring is unreactive to __
- Anisole is __ /para directing
- __ involves only the movement of electrons (not atoms)
- EAS stands for __
- __ is an aromatic compound formed by ionic reaction between hexane-2,5-dione + ammonia
- __ is an organic chemical compound with the molecular formula of C6H6
Down
- __ is the organic reduction of a carbonyl group using a reducing agent
- __ is when different groups on the benzene ring influence the position of subsequent reactions
- __ reaction is the of adding an acyl group to a compound
- __ requires a cyclic system to be fully conjugated
- Pyrroles and a strong acid make __
- Nucleophilic aromatic substitution reaction works well for both pyridine and __
- Benzene diazonium chloride reacting with cuprous salts is known as the __ reaction
- __ is possible if there is a mobile atom group
- An aromatic compound that has at least one other atom than carbon in its ring is __
- __ is when all atoms in a molecule or part of a molecule lie in the same plane
- __ is the most powerful electron donor during electrophilic aromatic substitution for ring modification (in 5-membered heterocyclic rings)
- __ is the overlap of more than two 2p orbitals in an acyclic or cyclic system
24 Clues: EAS stands for __ • Anisole is __ /para directing • Pyrroles and a strong acid make __ • When dry, benzene diazonium chloride is __ • __ is possible if there is a mobile atom group • __ is a very unreactive and stable aromatic imine • __ requires a cyclic system to be fully conjugated • __ involves only the movement of electrons (not atoms) • ...
Chemistry Vocabulary 2022-02-10
Across
- States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons
- the regions of space in which electrons can move about the nucleus of an atom
- basic unit of matter
- A process by which an electric current breaks chemical bonds.
- A group of atoms bonded together
- Atoms of the same element that have different numbers of neutrons
- A chemical bond that involves sharing a pair of electrons between atoms in a molecule
- when two molecules of the same substances are attracted to one another
- subatomic particle with a positive charge
- when two molecules of different substances are attracted to one another
- the number of protons in the nucleus of an atom of an element
- a substance (such as water) that has the ability to dissolve many other substances
- A liquid substance capable of dissolving other substances
- attraction between a partially positive hydrogen atom of a water molecule and a partially negative oxygen atom of another water molecule
- Water's tendency to form an elastic-like sheet or skin
Down
- The electrons in the outermost shell (main energy level) of an atom; these are the electrons involved in forming bonds.
- A covalent bond in which electrons are not shared equally
- A horizontal row of elements in the periodic table
- a covalent bond in which the electrons are shared equally by the two atoms
- A subatomic particle that has a negative charge
- A substance that is dissolved in a solution.
- a vertical column of elements in the periodic table
- Formed when one or more electrons are transferred from one atom to another
- anything that has a mass and takes up space
- The amount of energy required to remove an electron from an atom
- a pure substance made of only one kind of atom
- A positively charged ion
- A subatomic particle that has no charge and that is found in the nucleus of an atom
- A negatively charged ion
- the number of protons and neutrons found in a single atom of a given element
30 Clues: basic unit of matter • A positively charged ion • A negatively charged ion • A group of atoms bonded together • subatomic particle with a positive charge • anything that has a mass and takes up space • A substance that is dissolved in a solution. • a pure substance made of only one kind of atom • A subatomic particle that has a negative charge • ...
chemistry crossword 2022-01-31
Across
- a thing that is composed of two or more separate elements; a mixture
- makeup of something
- Marked by lack of variation, diversity, change in form
- a characteristic or trait that you can use to describe matter by observation, measurement, or combination
- a distinguishing quality, trait, or feature of an individual, thing, disorder
- dense region consisting of protons and neutrons at the center of an atom
- form of matter having constant chemical composition and characteristic properties.
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
- a part or aspect of something abstract, especially one that is essential or characteristic
- having to do with the nucleus of a atom
Down
- the nature of something's ingredients or constituents; the way in which a whole or mixture is made up
- a small localized object to which can be ascribed several physical or chemical properties, such as volume, density, or mass
- the basic unit of a chemical element.
- 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
- the basic unit of a chemical element
- a particle with a positive charge that is in the nucleus of an atom.
- how something acts or reacts to another thing
- a substance made by mixing other substances together
- basis supporting existence or determining essential structure or function
- lightest stable particle having a negative charge
20 Clues: makeup of something • the basic unit of a chemical element • the basic unit of a chemical element. • having to do with the nucleus of a atom • how something acts or reacts to another thing • lightest stable particle having a negative charge • a substance made by mixing other substances together • Marked by lack of variation, diversity, change in form • ...
Chemistry Energetics 2022-02-22
Across
- the standard enthalpy change of ___ is the difference between the enthalpy of the products and enthalpy of reactants under standard condition.
- the energy or heat energy content of a substance with units kJ/mol
- the higher the enthalpy, the less ___ the substance
- a hypothetical gas whose molecules occupy negligible space and have no interactions (5,3)
- a positive enthalpy change shows an ___ reaction
- any moving object possesses ___ energy
- the enthalpy of ___ of a substance is the change in enthalpy produced when one mole of fuel is reacted with excess oxygen to produce carbon dioxide and water
- the enthalpy of ___ is the change in enthalpy when one mole of a substance in the standard state is formed from its pure elements under the same conditions.
- a chemical equation written with an associated change in enthalpy value (14,8)
- the act of measuring changes in state variables of a body for the purpose of deriving the heat transfer associated with changes of its state
- the enthalpy of ___ is the enthalpy change associated with the dissolution of a substance in a solvent at constant pressure resulting in infinite dilution
- the minimum energy required for a reaction to occur (10,6)
Down
- the amount of energy required to break one mole of bonds in the gaseous state averaged across a range of compounds containing that bond (7,4,8)
- according to ___'s law, the heat absorbed or released in a chemical process is the same, whether the process takes place in one or several steps
- the energy required to raise the temperature of 1g of a substance by 1K (8,4,8)
- a negative enthalpy change shows an ___ reaction
- a theory that explains rate of reactions at a molecular level (9,6)
- ~101.325kPa, 273K
- the enthalpy of ___ is the change in enthalpy that occurs when one equivalent of an acid and one equivalent of a base undergo a reaction to form water and salt.
- a substance that increases the rate of reaction without being consumed
20 Clues: ~101.325kPa, 273K • any moving object possesses ___ energy • a negative enthalpy change shows an ___ reaction • a positive enthalpy change shows an ___ reaction • the higher the enthalpy, the less ___ the substance • the minimum energy required for a reaction to occur (10,6) • the energy or heat energy content of a substance with units kJ/mol • ...
Chemistry Review 2022-03-29
Across
- Protein that increases in response to inflammation
- Brain damage due to high levels of bilirubin in the brain
- Enzyme elevated in bone disorders
- Enzyme with five isoenzymes found in lots of different tissue types
- Tumor leading to elevated urine vanillylmandelic acid and homovanillic acid
- Vitamin, deficiency of which causes pellagra
- Epinephrine and norepinephrine
- Major extracellular cation
- Specimen integrity issue that often leads to cancellation of potassium and LD tests
- Major acute myocardial infarction marker
- Solution with a higher osmotic pressure than plasma
- Kidney subunit
- Type of immunoassay with an inverse relationship between patient antigen and signal
- Compound made from the detoxification of ammonia
- Hormone elevated in pregnancy and certain cancers
- Another name for T4
- Moles of particles per kg of water
- Product of purine breakdown
- Iron transport protein, found in beta globulin zone of SPEP
- Substance occasionally used to make the most accurate GFR measurement
- Cells responsible for bone formation
- Another name for transthyretin, used as a marker for nutritional status
- “Love hormone” that stimulates uterine contractions and milk letdown
- Immunoassay type using forward- or right-angle scatter of light for measurement
- Element required for synthesis of thyroid hormones
- Lipoprotein with the highest triglyceride content
- Organic catalysts
- Major cocaine metabolite
- Common type of hypothyroidism
Down
- Deficiency of vitamin D in children causes________
- The circulating form of vitamin A
- A disease of increased bone resorption
- Word meaning “caused by medical exam or treatment”
- When substrate is in excess in an enzymatic reaction, it is in ______ order kinetics
- Cherry red dyshemoglobin
- Main buffer system in the blood
- Inherited disorders of heme biosynthesis
- Reaction used to measure creatinine
- Multiple sclerosis causes _____________ banding on CSF electrophoresis
- Analyte elevated in both acute pancreatitis and mumps
- Enzyme used in the reference method of testing for serum glucose
- Technique to separate substances depending on their solubilities in stationary and mobile phases
- Substance tested for chloride concentration in cystic fibrosis patients
- Technique used to confirm abnormal SPEP results
- Main metabolite of the drug procainimide
- Colligative property commonly used to measure osmolality is___________depression
- Measurement technique that relies on Beer’s Law
- Negatively charged electrode
- Metabolic breakdown process
- Component of alpha-2 band in serum protein electrophoresis (SPEP). Binds free hemoglobin.
- Chemical produced by intestinal bacteria after metabolizing bilirubin diglucuronide
- A molecule with both positive and negative charges simultaneously
- Innate immune system cascade used to form a channel in pathogens’ outer membranes to cause lysis
- Anion “shifted” into RBCs for electrochemical balance when bicarbonate diffuses out
- Pituitary intermediary between CRH and cortisol
55 Clues: Kidney subunit • Organic catalysts • Another name for T4 • Cherry red dyshemoglobin • Major cocaine metabolite • Major extracellular cation • Metabolic breakdown process • Product of purine breakdown • Negatively charged electrode • Common type of hypothyroidism • Epinephrine and norepinephrine • Main buffer system in the blood • The circulating form of vitamin A • ...
Everyday Chemistry 2022-04-11
Across
- Fe
- Form positive ions
- Smallest particle of an element
- Vertical columns in the periodic table, where elements contain similar chemical properties
- Negatively charged ions
- The study ofthe behavior of matter and its charges and how it interacts with other matter and energy
- The _____________ is the first antibiotic discovered by the scientist Alexander Fleming
- The fundamental states of matter are: Liquid, solid, and _____
Down
- A _______ table is a table of the chemical elements arranged in order of atomic number
- Ni
- Ti
- Positively charged particles
- _______ is a strong acid that is used in car batteries
- Made of 2 or more elements that are chemically combines
- ___________ electrons are the electrons in the outermost principal energy level of an atom.
- Nuclear particle with no charge
- Electron configuration for this element is
- ______ Curie first discovered the radioactive elements polonium and radium
- A substance that produces hydroxide ions, HO− , in water. Taste bitter and turns litmus paper blue
- _____ rule states when several orbitals are available in a subshell, each orbital gets one electron before the electrons pair up
- A substance that ionizes in water to form hydrogen ions, H+. Taste sour and turns litmus paper red.
21 Clues: Fe • Ni • Ti • Form positive ions • Negatively charged ions • Positively charged particles • Nuclear particle with no charge • Smallest particle of an element • Electron configuration for this element is • _______ is a strong acid that is used in car batteries • Made of 2 or more elements that are chemically combines • The fundamental states of matter are: Liquid, solid, and _____ • ...
Chemistry 6 2022-04-12
Across
- Depend on the concentration of solute particles but not on their identity.
- proton donors that yield hydronium ions in water solution
- hydroxide ion concentration
- The capability to dissolve.
- hydrogen ion concentration
- The point in a titration at which no more titrant should be added. It is determined, for example, by a color change in an indicator or by the appearance of a precipitate.
- A substance that dissolves in water to give the solution the ability to conduct electricity.
- The process of dissolving
- a chemical reaction in which an acid and a base react to form a salt.
- The concentration of a solution expressed in moles of solute per kilogram of solvent
- solutions that are used as a means of keeping pH at a nearly constant value in a wide variety of chemical applications
Down
- The separation of ions that occur when an ionic compound dissolves
- The difference between the freezing points of the pure solvent and a solution of a non electrolyte in that solvent, and is directly proportional to the molal concentration of the solution.
- Hydronium ion
- The difference between the boiling points of the pure solvent and a nonelectrolyte solution of that solvent and is directly proportional to the molal concentration of the solution.
- method used to determine the concentration of a substance in a solution
- proton acceptors identified by release of hydroxide ions
- The amount of solute in a given amount of solvent in a solution
- Number of moles of solute in one liter of solution
- hydroxide ion
20 Clues: Hydronium ion • hydroxide ion • The process of dissolving • hydrogen ion concentration • hydroxide ion concentration • The capability to dissolve. • Number of moles of solute in one liter of solution • proton acceptors identified by release of hydroxide ions • proton donors that yield hydronium ions in water solution • ...
Chemistry Project 2013-10-20
Across
- Xe
- Anything which occupies space and has mass.
- A process in which heat energy is produced and released to the surrounding.
- Creator of the periodic table.
- Mixtures of elements design to have the properties useful for a particular purpose.
- When liquid changes to gas.
- Our favorite food ;)
- P.
- A direct change of state from solid to gas or gas to solid.
- Most reactive group of non-metals.
- Semi-metal.
- Materials we get from the environment to meet our needs.
- Paper ________ was used to separate solutions of coloured substance.
- A substance formed by the chemical combination of two or more elements in fixed proportions.
- Changes of physical state from liquid to solid.
- Rain which has been made more acidic than normal.
- Changes of physical state from solid to liquid.
- Liquéfaction.
- The liquid that dissolves the solid solute to form a solution.
- Separating a liquid from a solution.
- The separation of a solid from a liquid, using a fine filter paper which does not allow the solid to pass through.
- Source of life.
- A substance which can't be further divided into simpler substances like chemical methods.
- A class of chemical element which have a characteristic shiny appearance and are good conductors of heat and electricity.
- The system by which nitrogen and its compound are interchanged.
- Type of rock form by heat and pressure changing existing rocks.
- First element in the periodic table.
- A word used to describe the property that metals can be bend and beaten into sheets.
- Type of rock form by solidification of melted minerals.
- A from of calcium carbonate (CaCO3)
Down
- A common natural gas that is contain in your fart.
- Toxic metal that can cause learning difficulties in children.
- The solid substance that has dissolve in liquid to form a solution.
- The ________ is measured by a thermometer.
- A word used to describe the property that metals that can be drawn out and stretched into wires.
- U.
- Natural cycle by which rocks are possibly changed into another type of rock by conditions of temperature and pressure.
- A horizontal row of the periodic table.
- Substance which increases the rate of a chemical reaction.
- Sources of energy that cannot be replaced.
- A vertical column of the periodic table containing elements with similar properties.
- Seawater is made drinkable by ________.
- Substance that can be used as a source of energy.
- A type of chemical reaction where a compound breaks down into simpler substances.
- _________ is the process in which plants take in C02 and convert it to sugar.
- The system by which carbon and its compounds in the air ocean and rocks are interchanged.
- A state of matter that doesn't have a fix volume.
- A chemical reaction in which a compound is made from its elements.
- The system by which water circulates around the earth.
- Atom of the same element which have different numbers of neutrons in their nuclei.
- Composes 0.04% of the atmosphere.
- Composes 21% of the atmosphere.
- NH3
- Type of rock that cover three - quarters of the land surface.
- H20
- Zr.
- A class of chemical element that are typically poor conductors of heat and electricity.
- A subatomic particle that is located in energy levels outside the nucleus.
- It is form from the buried remains of plants and animals.
- Sources of energy and other resources which cannot run out.
- Harmful effect of human activity and waste.
- Water is a type of this state of matter.
- A state of matter that has a definite shape.
63 Clues: Xe • U. • P. • NH3 • H20 • Zr. • Semi-metal. • Liquéfaction. • Source of life. • Our favorite food ;) • When liquid changes to gas. • Creator of the periodic table. • Composes 21% of the atmosphere. • Composes 0.04% of the atmosphere. • Most reactive group of non-metals. • A from of calcium carbonate (CaCO3) • Separating a liquid from a solution. • First element in the periodic table. • ...
Chemistry Revision 2013-07-15
Across
- A positively charged species
- The shorthand way of writing the name of an element
- The term used to describe electrons in the outer-most shell
- A type of indicator
- Group I elements are knowns as this type of metal
- The element that has the atomic number 56
- A type of reaction where compounds breakdown into simpler compounds or elements
- The element with the symbol Zn
- The name used to describe each of the Group VII elements
- The term that describes the attraction between two atoms as a result of sharing or transferring electrons
- A substance made up of two or more element chemically combined
- The scientist who carried out the gold-foil experiment
- The term that describes an element with the same atomic number but different mass number
- The shorthand way of writing the name of a compound
- The name of the scientist who developed the theory of electron shells
Down
- The compound, table salt, is formed by this type of bond
- A common compound made up of Phosphorus and Oxygen atoms
- A substance that exhibits properties of metals and non-metals
- Non-metals tend to form compounds with this type of bond
- A type of reaction that involves acids and bases
- The name given to each element in Group VIII (2)
- The name given to the columns in the periodic table
- A model that was previously used to describe the structure of an atom (2)
- Most elements in the periodic table are found in this physical state
- The term used to describe a substance that cannot be dissolved
- A physical property of metals
- The name given to the rows in the periodic table
- A particle with no charge found in the nucleus of an atom
- A physical property of non-metals
- An example of this type of substance is soil
30 Clues: A type of indicator • A positively charged species • A physical property of metals • The element with the symbol Zn • A physical property of non-metals • The element that has the atomic number 56 • An example of this type of substance is soil • A type of reaction that involves acids and bases • The name given to each element in Group VIII (2) • ...
Chemistry crossword 2013-07-21
Across
- the ratio of the mass of a substance per unit volume
- composition is variable; easily separated
- property of metals wherein they're able to be drawn to wire or sheets
- amount of material contained in a body
- a process of comparing something with a standard (devices) to see how many times as big it is with a standard
- substance single component; constant composition
- refers to the hotness or coldness of a substance
- element that is best for conducting heat and electricity
- smallest exact digit or line which is taken directly from the instrument or device
- it a non-metal that behaves like a metal
- group of the horizontal rows in the periodic table
- ratio of the weight of a substance to the weight of equal volume of water
- number it is the identity of the element; equal to the # protons and electrons
- measure of the pull of gravity of Earth
- French man who contributed the Helix in 1889
Down
- is an ion that is negatively charged, and is attracted to the cathode (negative electrode) in electrolysis
- is an ion, which has a net positive charge, is attracted to the anode (positive electrode) in electrolysis
- English man who contributed the Law of Octave in 1865
- German who contributed in the development of the periodic table in 1829
- is anything that has mass and volume
- this theory stated that when the volume increases the density becomes smaller
- he focused on the chemical properties of the elements and his contribution to the periodic table is superior
- simplest form of substance
- Latin name for Ag
- property of metals that can be hammered into thin sheets
- phenomenon wherein a substance can behave as acid or base at the same time
- consisting of 2 or more elements but in a definite ratio
- smallest estimated value from the device
- systematic arrangement of known elements based on increasing atomic number
- group of the vertical rows in the periodic table
30 Clues: Latin name for Ag • simplest form of substance • is anything that has mass and volume • amount of material contained in a body • measure of the pull of gravity of Earth • it a non-metal that behaves like a metal • smallest estimated value from the device • composition is variable; easily separated • French man who contributed the Helix in 1889 • ...
chemistry vocabulary 2013-10-10
Across
- a positively charged elementary that is a fundamental constituent of all atomic nuclei
- a representation of a substance using symbols for its constituent elements
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
- samples of a pure compound always contain the same elements
- any element in group 2 of the periodic table
- molecules composed only of two metals
- an elementary particle that is a fundamental constituent of matter
- any of the gases in group O (18) of the periodic table
- the number of positive charges of protons in the nucleus of an atom of a given element
Down
- theory that matter consists of of invisible particles called atoms
- a table of chemical elements arranged in order of atomic number
- any of the elements in group ia 1 of the periodic table
- an element whose properties are intermediate between metals and solid non metals
- any element in group 17 of the periodic table
- any of the set of metallic elements in groups 4-12 of the periodic table
- the integer number nearest in value to the atomic weight of an atom and equal to the number of nucleons
- an ionic species having a negative charge
- an ionic bond is a chemical link between two atoms caused by an electrostatic force
- a positively charged ion
- a fundamental group of atoms in a molecule serving as a base
- any of two or more forms of a chemical element
21 Clues: a positively charged ion • molecules composed only of two metals • an ionic species having a negative charge • any element in group 2 of the periodic table • any element in group 17 of the periodic table • any of two or more forms of a chemical element • any of the gases in group O (18) of the periodic table • any of the elements in group ia 1 of the periodic table • ...
Chemistry Review 2013-05-28
Across
- The _____ is a negatively charged ion
- The number of protons is the same as the ______ number
- Atoms are made up of mostly _____ space
- To make ions, _________ are changed
- This subatomic particle has no mass: the ________
- Variations on the structure of an atom for a specific element: ________
- The vertical columns of elects on the periodic table are called ______
- The atomic ______ is one-half the distance between the center of identical atoms that are not bonded together
- __________ energy is the amount of energy needed to remove an electron from an atom
- The electron cloud is divided into ______ levels
Down
- The _____ radius is the distance from the center of an ion’s nucleus to its outermost electron
- There are two regions of an atom: the nucleus, and the electron _____
- The _______ has the most mass of an atom
- _________________ is the tendency of an atom to attract electrons in the formation of an ionic bond
- The number of electrons equals the number of _______
- The total mass of the protons & neutrons in an atom is the atomic ____
- To make isotopes, ________ are changed
- Electron ________ is the energy change that occurs when an electron is acquired by a neutral atom
- The horizontal rows of elements on the periodic table are called _______
- The ______ is a positively charged ion
20 Clues: To make ions, _________ are changed • The _____ is a negatively charged ion • To make isotopes, ________ are changed • The ______ is a positively charged ion • Atoms are made up of mostly _____ space • The _______ has the most mass of an atom • The electron cloud is divided into ______ levels • This subatomic particle has no mass: the ________ • ...
Chemistry Crossword 2013-09-04
Across
- other name for Group IA elements, _____ metals
- cylinder with 16 verstical sections arranged according to atomic mass, _____ helix
- Sanskrit word which means “first after”
- essential element to build and maintain teeth and bones
- award given to John Newlands, _____ Medal by the Royal Society
- electron attracting ability
- total number of gaseous element
- total number of metalloids
- the element between calcium and strontium
- from a Latin word which means “stranger”
Down
- he was the first to group elements according to similar properties
- meaning of the Latin word “Helios”
- electron losing ability, M_____c property
- element which acts as a disinfectant added to drinking water and swimming pool
- element which acts as cofactor for the hemoglobin in the blood
- element which is a major constituent of living things
- every 8th element shares the same property, Law of _____
- eka-silicon
- atomic mass of the middle element is approximately equal to the average of the 1st and 2nd element, Dobereiner’s _____
- Latin word which means “the lazy one”
20 Clues: eka-silicon • total number of metalloids • electron attracting ability • total number of gaseous element • meaning of the Latin word “Helios” • Latin word which means “the lazy one” • Sanskrit word which means “first after” • from a Latin word which means “stranger” • electron losing ability, M_____c property • the element between calcium and strontium • ...
Environmental Chemistry 2013-06-04
Across
- Chemical compounds released from aerosols that deplete ozone
- Percent of water on Earth that is fresh water
- Air pollutant that creates acid rain (sulfuric acid)
- Type of acid with almost 100% dissociation of ions
- Chemicals that can be used to soften hard water
- Percent of liquid water that is avaliable for all human activities
- what MAC stands for
- polyatomic ion that all bases contain
- Agreement signed by 160 Nations to reduce greenhoouse gases
- Property of water due to uneven sharing of electrons
- 1.2billion people do not have access to this type of water
Down
- Common property of acids and bases
- Type of water pollution including dissolved substances such as fertilizers
- Element that ALL acids contain
- Type of reaction between an acid and a base
- Used in Ontario to quantify the pollutant in the air and issue warnings based on levels
- Type of compound used to clean up an acid spill
- Bacteria in water that is always 100% removed, having a 0 MAC level
- Substance with a pH less than seven
- Water contaminants such as bacteria and viruses
- Air pollutant creating carbonic acid, contributing to acid rain
- Layer of the atmosphere that protects us from harmful UV Rays
- Type of water containing metal ions dissolved from rocks
23 Clues: what MAC stands for • Element that ALL acids contain • Common property of acids and bases • Substance with a pH less than seven • polyatomic ion that all bases contain • Type of reaction between an acid and a base • Percent of water on Earth that is fresh water • Chemicals that can be used to soften hard water • Type of compound used to clean up an acid spill • ...
Organic Chemistry 2013-12-16
Across
- an organic compound that has two alkyl groups attached to the oxygen
- containing only sing c-c bonds
- a compound of carbon, hydrogen and oxygen
- an organic compound that is characterized by the presence of a carbonyl group bonded to an oxygen atom
- a functional group that contains a carbon atom joined to an oxygen atom with a double covalent bond
- an organic compound in which one or more hydrogen atoms are replaced by alkyl group
- a reaction of an alkene or alkyne in which a molecule, such as hydrogen or a halogen is added to a double or triple bond
- an organic compound that is characterized by the presence of a carboxyl group
- a hydrocarbon that has only single bonds between carbons atoms
- a compound in which an amino group and a carboxyl are attached to the same carbon atom.
- a substitution group or branch derived from a hydrocarbon general formula R
Down
- an organic compound that is characterized by a terminal carbonyl functional group is bonded to at least one hydrogen atom
- containing at least one double or triple bond between carbon atoms
- a condensation reaction in which a carboxylic acid and an alcohol combine to produce an ester and water
- a compound that has the same molecular formula as another compound but a different molecular structure
- an organic compound that contains only carbon and hydrogen atoms in its molecular structure
- an organic compound in which the carbon atom of a carbonyl group is bonded to two carbon atoms
- a functional group that consists of a hydroxyl group attached to the carbon atom of a carbonyl group
- an organic compound that is characterized by the presence of a hydroxyl group
- a hydrocarbon that contains at leas one c-- double bond
- a hydrocarbon that contains at least one triple bond
- an organic compound in which the carbon atom of a carbonyl is bonded to a nitrogen atom
22 Clues: containing only sing c-c bonds • a compound of carbon, hydrogen and oxygen • a hydrocarbon that contains at least one triple bond • a hydrocarbon that contains at leas one c-- double bond • a hydrocarbon that has only single bonds between carbons atoms • containing at least one double or triple bond between carbon atoms • ...
Chemistry Puzzle 2014-02-17
Across
- Positively charge ion
- Involves of sharing of electrons
- Molecules are slightly bind to one another
- Substance that forms hydronium ions in water
- consist of two or more components
- A size or extent of something base on standard
- The qualitative relationship and products in a balance equation
- The atoms shared
- Polar molecules exhiadits a depole or portially positively and negdtively charger ends
- the component in solution that is present in greater quality
- Anything that occupies space
- Negatively charge ion
- According to bronsted lowry a base is a proton
- Concentration of solute per liter of solvent
- Transfer of one electron to another ion
- A primary substance that cannot be separated into simple materials
Down
- Formed from the reaction of an acid and base
- Ionic covalent
- The smallest particle of an element
- Taste of base
- Gilbert Newtron leuis
- Substance that produce hydroxide ions in queous solution
- Concentration of solute per kilogram of solvent
- according to Bronsted lowry an acid is a _____ donor
- A homogeneous mixture of two or more suastance
- A group of covalent bonded atom that has acquired charges through the loss oqg grair of e
- Scale of acidity
- Sn
- Part with a screw for attaching clamp on to the stands rod
- acid red litmus paper turn
30 Clues: Sn • Taste of base • Ionic covalent • The atoms shared • Scale of acidity • Positively charge ion • Gilbert Newtron leuis • Negatively charge ion • acid red litmus paper turn • Anything that occupies space • Involves of sharing of electrons • consist of two or more components • The smallest particle of an element • Transfer of one electron to another ion • ...
Organic Chemistry 2014-04-24
Across
- A polymer is composed of many of these small repeating units
- The second alkyne
- Process used to increase the rigidity of a polymer
- Monomer used to make polystyrene
- The number of isomers of pentane
- Atom or group of atoms that determine a compounds properties
- Unsaturated hydrocarbons arranged in rings
- A family of compounds that contain a hydroxyl group
- The scent of methyl salicylate
- Ethene undergoes this type of reaction with itself to form PET
- Alkene responsible for making fruit ripen
Down
- Dilute ethanoic acid on your fish and chips?
- A group of saturated hydrocarbons
- The odorless product in a condensation reaction
- Smallest alkane
- Poisonous gas formed by incomplete combustion
- Compounds with the same chemical formula but different structures
- Smelly chemicals made by reacting alcohols with carboxylic acids
- Number of hydrogens in an alkyne that contains 3 carbons
- Process used to break long alkanes into smaller alkanes
- This term applies to the alkenes
- Prefix meaning five
- The number of carbons in a benzene ring
- Polyethylene terephthalate (abbrev)
24 Clues: Smallest alkane • The second alkyne • Prefix meaning five • The scent of methyl salicylate • Monomer used to make polystyrene • The number of isomers of pentane • This term applies to the alkenes • A group of saturated hydrocarbons • Polyethylene terephthalate (abbrev) • The number of carbons in a benzene ring • Alkene responsible for making fruit ripen • ...
Chemistry Vocabulary 2014-05-15
Across
- has a definite shape and definite volume
- has a definite volume and indefinite shape
- gasses group 8 elements
- subatomic particle with a negative charge
- used in a reaction
- group 6 elements
- standard temperature and pressure
- absorbes heat
- created in a reaction
- metals group 1 elements
- measure of disorder
Down
- a substance with pH less than 7
- has a indefinite shape and indefinite volume
- earth metals group 2 elements
- electron outermost electron
- subatomic particle with no charge
- group 7 elements
- metals elements between group 2 and 13
- elements in a row
- crates sparks
- gives off heat
- measures temperature
- subatomic particle with a postive chrage
- elements in a column
- a substance with pH greater than 7
25 Clues: crates sparks • absorbes heat • gives off heat • group 7 elements • group 6 elements • elements in a row • used in a reaction • measure of disorder • measures temperature • elements in a column • created in a reaction • gasses group 8 elements • metals group 1 elements • electron outermost electron • earth metals group 2 elements • a substance with pH less than 7 • ...
Water Chemistry 2014-06-08
Across
- Part of a solution with smaller amount like salt in water
- All three phases of this substance are found on earth
- Part of a solution with greater amount, like water in a salt solution
- _?_ heat capacity describes the amount of heat needed to raise the temperature of a substance
- Kind of a solution with less than the amount of solute that can fit in a solution
- Dissolving salt in water _?_ its freezing point
- Most of the water on this planet is found here
- Kind of solution with maximum amount of solute
- The tendency of a liquid to bead up is _?_ tension
- The _?_ point is the temperature at which the vapor pressure of a liquid equals atmospheric pressure
- This remains constant during a phase change
- The three elements which cause hydrogen bonding are fluorine, nitrogen, and _?_
- Frogs contain a form of _?_ that protect their organs in the winter
Down
- Ice floats on water because it is less _?_
- Kind of mixture with particles so large that they settle out
- _?_ action is the process of a liquid rising up a thin tube
- Most freshwater on earth is _?_
- The _?_ effect is the scattering of light by a colloid, like the sky
- Homogeneous mixture with particles less than 1 nanometer in size
- Kind of solution which holds more solute than it should be able to hold
- The expression that allows you determine what can dissolve in a solvent is "like dissolves _?_"
- A molecule with an uneven distribution of electrons has a _?_ covalent bond
- In general, increasing the temperature of a solution will _?_ solubility
- Kind of solution with particles that scatter light so they appear cloudy, like fog
- Water that has magnesium, calcium, or iron dissolved in it is said to be _?_
- This kind of bonding gives water its special properties
- Hard water interferes with the action of this substance
27 Clues: Most freshwater on earth is _?_ • Ice floats on water because it is less _?_ • This remains constant during a phase change • Most of the water on this planet is found here • Kind of solution with maximum amount of solute • Dissolving salt in water _?_ its freezing point • The tendency of a liquid to bead up is _?_ tension • ...
Chemistry CrossWord 2014-02-09
Across
- positively charged ion
- A state of matter which takes the shape of its container
- an atom that is defined by its atomic number
- example is sodium hydroxide (NaOH)
- how close a value is to the actual or true value
- homogeneous mixture made up of multiple substances
- Group 7 on the Periodic Table
- H2O
- the effect of light scattering by colloidal
- device that measures the average energy of a system
- the chemistry of organisms
- ionic compounds composed of anions and cations
- pertaining to the atomic nucleus
- a model describing the nature of a phenomenon
- the part of the solution that is mixed into the solvent
Down
- negatively charge ions
- the outermost electrons of an atom
- abbreviated mol
- subatomic particle that has no net charge
- measure the pressure in the atmosphere
- fill their container though have no definite shape or volume
- a subatomic particle with a net charge that is negative
- a chemical element in its smallest form
- the molecules are packed close together
- the part of the solution that dissolves the solute
25 Clues: H2O • abbreviated mol • negatively charge ions • positively charged ion • the chemistry of organisms • Group 7 on the Periodic Table • pertaining to the atomic nucleus • the outermost electrons of an atom • example is sodium hydroxide (NaOH) • measure the pressure in the atmosphere • a chemical element in its smallest form • the molecules are packed close together • ...
Organic Chemistry 2014-01-25
Across
- ________carbonate/ found in eggshells
- Monosaccharide in fruit
- Tiny ocean plant
- Periodic square fillers
- energy you can eat
- Atomic number six
- "Many parts" in scientist speak
- Bearded table maker
- What’s up
- One way carbon is released by animals
- _______fuels/blamed for climate change
- Number one on the charts
Down
- Popeye’s girlfriend is one
- structural plant fiber
- How plants store food
- Carbon based
- Gangs of atoms
- How plants turn sunlight into sugars
- the smallest parts of stuff
- Water needs just one
- lighting and beans can fix it.
21 Clues: What’s up • Carbon based • Gangs of atoms • Tiny ocean plant • Atomic number six • energy you can eat • Bearded table maker • Water needs just one • How plants store food • structural plant fiber • Monosaccharide in fruit • Periodic square fillers • Number one on the charts • Popeye’s girlfriend is one • the smallest parts of stuff • lighting and beans can fix it. • ...
Chemistry Review 2014-04-13
Across
- Reaction: AB + CD -> AD + CB
- H2SO3
- The state of a substance dissolved in water
- An ion with a negative charge
- A type of paper that tells you if a solution is acidic or basic
- Type of ion found in acidic solutions
- Overall charge of an ionic compound
- Reaction where water and CO2 are produced
- This type of atom will gain electrons
- Numbers placed in front of formulas in balanced equations
- An ion that has at least two elements
- A type of molecule that always has two atoms of the same element
- A type of bond between two non-metals
- A Metal that can have more than one ion charge
- The product of incomplete combustion
- Substance may taste bitter
- An equation that is not balanced
- Formed when an acid and a base react
- A substance that changes colour based on pH
Down
- Water that has a pH of 7
- Type of compound with two elements
- Reaction: A + BC -> AC + B
- S2O5
- HClO2
- Compounds with low melting and boiling points
- HCl
- Mg(NO3)2
- Reaction: AB -> A + B
- Type of ion found in basic solutions
- Medicine to neutralize stomach acid
- An ion with a positive charge
- Aluminum and chlorine
- This type of atom will lose electrons
- Formed when an acid and a base react
- A type of combustion where CO is produced
- A type of bond between a metal and a non-metal
- Substance that may taste sour
37 Clues: HCl • S2O5 • HClO2 • H2SO3 • Mg(NO3)2 • Reaction: AB -> A + B • Aluminum and chlorine • Water that has a pH of 7 • Reaction: A + BC -> AC + B • Substance may taste bitter • Reaction: AB + CD -> AD + CB • An ion with a negative charge • An ion with a positive charge • Substance that may taste sour • An equation that is not balanced • Type of compound with two elements • ...
Consumer Chemistry 2014-08-05
Across
- ion of oxygen
- element that can combine to itself
- chemical reaction producing heat
- used in pencil
- Cn H2n plus 1
- strongest carbon allotrope
- a chemical reaction in which two or more molecules combine to form larger molecules that contain repeating structural units
- made of carbon and hydrogen
- compounds with carbon
- shortest ratio of molecular formula
- molecules with the same molecular formula but different chemical structures
- makes reaction faster
- Cn H2n
- A hydrocarbon molecule containing one or more double or triple bonds, and can thus absorb more hydrogen atoms.
- also known as alkynes
- scent of defacation
- urea experiment
- coined the word "organic" on chemistry
- rings forming aromatic compounds
- soap eperiment
Down
- shortened stuctural formula
- building up rule
- groups of molecules
- ability of atoms to bond to itself
- prefix for "six"
- Cn H2n plus 2
- pure carbon allotrope
- simplest alkane
- C5 H10
- close-chained carbons
- experiment by Wohler
- The science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems
- used by Chevreul to make soaps
- Allotrope of carbon C60-C80
- Pharmaceutical Industry
- containing two double bonds
- also known as alkenes
- distinctive smell or odor
- theory stating that all organisms have vital forces
- the black core of a pencil
- outermost shell of an atom with bond ready electrons
41 Clues: C5 H10 • Cn H2n • ion of oxygen • Cn H2n plus 2 • Cn H2n plus 1 • used in pencil • soap eperiment • simplest alkane • urea experiment • building up rule • prefix for "six" • groups of molecules • scent of defacation • experiment by Wohler • pure carbon allotrope • compounds with carbon • close-chained carbons • makes reaction faster • also known as alkynes • also known as alkenes • Pharmaceutical Industry • ...
Chemistry Vocabulary 2012-10-09
Across
- A property of metals which allows electricity and heat to go through them.
- The bottom number in the periodic table that is equal to the number of protons plus the number of neutrons in the nucleus.
- The center of an atom that contains the protons and neutrons
- The process by which one or more substances change chemically to produce one or more different substances with new properties.
- Any property use to characterize matter
- a solid substance produced as a result of a chemical change.
- The top number on the periodic table that is equal to the number of protons in one atom of that element.
- The positively charged particle within an atom found within the nucleus
- The area outside the nucleus where the electrons are located.
Down
- An electron located in the outermost energy level in an atom and determine the reactivity of an element.
- A property of metals that makes them shiny.
- The property of matter that describes whether or not an element will react and go through a chemical change.
- a change within a substance that changes the appearance of a substance but does not change its properties.
- A solid that forms as a result of a chemical change between two liquids.
- Describes how an element will go through a chemical change
- The smallest unit of matter.
- A property of metals that makes them able to be molded or shaped.
- The neutrally charged particle found within the nucleus of an atom.
- the negatively charged particle within an atom located outside the nucleus in the electron cloud
- a property of metals that allows them to be stretched into a wire.
20 Clues: The smallest unit of matter. • Any property use to characterize matter • A property of metals that makes them shiny. • Describes how an element will go through a chemical change • The center of an atom that contains the protons and neutrons • a solid substance produced as a result of a chemical change. • The area outside the nucleus where the electrons are located. • ...
Chemistry Crossword 2012-11-22
Across
- The rate at which a hydrocarbon turns into gas
- The process in which electricity is used to break apart a chemical compound
- A mixture of two metals
- A substance that speeds up a chemical reaction without being used up
- Electromagnetic radiation emitted from a hot object
- An emulsifier molecule which forms chemical bonds with oils but not with water
- Joining together lots of small alkene molecules to form a polymer
- A substance which stabilises emulsions stopping them from separating out
- Fats which have many double bonds
- A hydrocarbon which has at least one double bond between carbon atoms
- The chemical change that occurs in the leaves of green plants which uses light energy to convert carbon dioxide and water to glucose
- The transfer of heat energy through a material without the material itself moving
- A thermal decomposition reaction which breaks molecules down by heating them
- The process in which limestone is extracted from the ground
- A polymer that cannot be broken down
- A reaction in which oxygen combines with a substance it also means a loss of electrons
- The electrode in which reduction occurs in electrolysis
- A natural mineral that contains enough metal to be worth extracting
Down
- An emulsifier molecule which forms chemical bonds with water but not with oil
- A molecule made of only carbon and hydrogen atoms with single bonds
- The break down of a substance into simpler compounds or elements
- When hydrogen is added to a carbon-carbon multiple bond
- A base which is soluble in water
- The centre of the earth that is made up of liquid nickel and iron
- Fats which have one double bond in each fatty acid
- The transfer of heat energy through a moving liquid or gas
- How thick a liquid is, how well it flows
- A colourless sweet viscous liquid component of fats
- An emulsifier commonly used in food
- The electrode where oxidation occurs in electrolysis
30 Clues: A mixture of two metals • A base which is soluble in water • Fats which have many double bonds • An emulsifier commonly used in food • A polymer that cannot be broken down • How thick a liquid is, how well it flows • The rate at which a hydrocarbon turns into gas • Fats which have one double bond in each fatty acid • Electromagnetic radiation emitted from a hot object • ...
Chemistry Terms 2012-12-05
Across
- The substance that dissolves in a solvent to produce a homogeneous mixture.
- An aqueous substance that can accept hydronium ions.
- It is water with dissolved minerals/ions including calcium and magnesium. There is no health risks to humans after consumptions, but will damage plumbing.
- These are forces of attraction or repulsion which act between neighboring particles (atoms, molecules or ions). They are weak as the forces which keep a molecule together.
- Used to express the relationship between solubility and temperature.
- To increase the concentration of (a solution) beyond saturation; saturate abnormally.
- Liquids that are incapable of being mixed to form a homogeneous substance.
- It is a chemical compound that has a chain of carbon atoms linked together by single bonds and has hydrogen atoms filling all of the other bonding orbitals of the carbon atoms.
- A chemical substance (typically, a corrosive or sour-tasting liquid) that neutralizes alkalis, dissolves some metals, and turns litmus red.
- There is no calcium or magnesium present. It is essentially low in minerals.
- The different components are distinctly visible and possess clearly identifiable separate properties with no blending of substances or traits.
- The amount of a specified substance in a unit amount of another substance.
- The action of making a liquid more dilute.
- A mechanical or physical process to separate solid particulates from fluids.
- The formation of or separation into ions by heat, electrical discharge, radiation, or chemical reaction.
- An electrically charged particle formed by anaggregate of molecules and occurring in certain colloidal electrolytesolutions, as those of soaps and detergents.
Down
- A substance that does not have the ability to dissolve.
- Covalent bonds between two atoms where the electrons forming the bond are unequally distributed. This causes the molecule to have a slight electrical dipole moment where one end is slightly positive and the other is slightly negative.
- A mixture which has uniform composition and properties throughout.
- Having an affinity for water; readily absorbing or dissolving in water
- Any compound that, in solution or in molten form, conducts electricity and is decomposed by the electricity.
- Homogeneous mixture of one or more solutes dissolved in a solvent.
- An expression used to remember how some solvents work (polar and non-polar).
- Dutch theoretical physicist who created an equation for the state for gases and liquids.
- A solution in which the solvent is water.
- Refers to the gases surrounding a star or planetary body held in place by gravity. Can be seen as a unit where 1 atm is defined to be equal to 101,325 Pascals.
- Lacking an affinity of water; insoluble in water
- Showing a marked attraction to or solubility in, lipids and having an affinity for oil or fat. The ability to dissolve or attach to lipids.
- Method to determine the concentration in a substance.
- To cause (a solid substance) to be separated from a solution.
- Refers to the separation of charges within a molecule between two covalently bonded atoms.
31 Clues: A solution in which the solvent is water. • The action of making a liquid more dilute. • Lacking an affinity of water; insoluble in water • An aqueous substance that can accept hydronium ions. • Method to determine the concentration in a substance. • A substance that does not have the ability to dissolve. • ...
Chemistry Crossword 2012-12-01
Across
- A dumbbell region around the nucleus where and electron may be found.
- The number of wave cycles that pass a given point per unit of time.
- The lowest energy level occupied in the periodic table.
- A region around the nucleus of an atom where an electron is likely to be moving.
- A spherical region around the nucleus where an electron may be found. The inner most sphere is one of these.
- When electrons occupy orbitals of equal energy.
- The pattern of frequencies obtained by passing light emitted by the atoms of an element in the gaseous state through a prism.
- A quantum of light; a discrete bundle of electromagnetic energy that behaves as a particle.
- a region in space around the nucleus of an atom where there is a high probability of finding an electron.
- States that it is impossible to know both the velocity and the position of a particle at the same time.
- The distance between two adjacent crests of a wave.
- Proposition that electrons travel in definite orbits around the nucleus.
- Describes the wavelength of a moving particle.
Down
- The arrangement of electrons around the nucleus of an atom in its ground state.
- electrons are ejected by certain metals where they absorb light with a frequency above a threshold frequency.
- Electrons enter orbitals of lowest energy first.
- no more than two electrons can occupy an atomic orbital.
- The height of a wave from the origin to the crest.
- The modern description, primarily mathematical, of the behavior of electrons in atoms.
- A nucleus that has a higher energy level than a ground level.
- Displayed an atom with the majority of the mass in the nucleus.
- Displayed the atom as a ball of positive charge with a few electrons.
- A number used to calculated the radiant energy absorbed or emitted by a body based on the frequency of radiation.
- The SI unit of frequency equal to one cycle per second.
- The amount of energy needed to move an electron from its present energy level to the next higher one.
25 Clues: Describes the wavelength of a moving particle. • When electrons occupy orbitals of equal energy. • Electrons enter orbitals of lowest energy first. • The height of a wave from the origin to the crest. • The distance between two adjacent crests of a wave. • The lowest energy level occupied in the periodic table. • ...
Chemistry Puzzle 2013-04-30
Across
- This subatomic particle is released during beta decay
- An acid that ionizes slightly in a solution (2 words)
- The smallest length, theoretically (2 words)
- This type of alcohol is commonly consumed
- All intermolecular bonds are caused by ___ ___ ___ forces (3 words)
- The maximum amount of solute that can be dissolved into a solvent at a given temperature
- A common name for Calcium Carbonate
- This type of spin is an angular momentum carried by electrons (2 words)
- This type of electromagnetic radiation is used for telecommunications around the world
- Many electronic devices are made from this element
Down
- This metal is used in pipes and wires
- The nuclear reaction that takes place in the sun’s core
- The colour with the longest wavelength
- A base that produces few hydroxide ions when dissolved in water (2 words)
- The theoretical boundary around a black hole past which no radiation can escape (2 words)
- The lowest theoretical temperature (2 words)
- The nucleus of this element is released during alpha decay
- The final part of the standard model to be discovered (2 words)
- A solid solution of two or more metals
- The densest liquid element
- This element is the most conductive metal, but comes at a price
- The term used to describe a complete valence shell
- The only two letters to not officially appear on the periodic table (Alphabetically)
- The most common isotope of this element is 238
- This element is added to table salt for its health benefits
25 Clues: The densest liquid element • A common name for Calcium Carbonate • This metal is used in pipes and wires • The colour with the longest wavelength • A solid solution of two or more metals • This type of alcohol is commonly consumed • The smallest length, theoretically (2 words) • The lowest theoretical temperature (2 words) • The most common isotope of this element is 238 • ...
Cell Chemistry 2013-04-08
Across
- the spontaneous net movement of solvent molecules through a partially permeable membrane into a region of higher solute concentration
- a process used by plants and other autotrophic organisms to convert light energy into chemical energy
- having the form of a sphere
- the reason some object or process occurred in a system that evolved through a process of selection
- a process that leads to the transformation of one set of chemical substances to another
- something that indicates bounds or limits
- a movement of biochemicals across a membrane going down the concentration gradient
- compound is a pure chemical substance consisting of two or more different chemical elements
- a process of passive transport (as opposed to active transport), with this passive transport aided by integral membrane proteins
- the abundance of a constituent divided by the total volume of a mixture
- a condition in which all acting influences are canceled by others, resulting in a stable, balanced, or unchanging system
- a drawing together; a shortening or shrinkage
- an indirectly observed quantity which comes in many forms, such as kinetic
- to govern or direct according to rule
- to produce carbohydrates by photosynthesis
- transport the movement of a substance across a cell membrane against its concentration gradient
Down
- the state or process of being absorbed
- rapid oxidation accompanied by heat and, usually, light.
- a mode of reproduction by which offspring arise from a single parent
- the process by which molecules intermingle as a result of their kinetic energy of random motion
- chemical formula is CO2
- something put into a system
- to cause to pass into solution
- the process of oxidizing food molecules, like glucose, to carbon dioxide and water
- nature’s method of transferring energy through space extremely quickly
- the potential of a chemical substance to undergo a transformation through a chemical reaction
- several forms in science, such as thermal, chemical, electric, etc.
- an arrangement of parts, of organs, or of constituent particles, in a substance or body
- function is to secure supply of energy and data to mobile consumer equipment
29 Clues: chemical formula is CO2 • having the form of a sphere • something put into a system • to cause to pass into solution • to govern or direct according to rule • the state or process of being absorbed • something that indicates bounds or limits • to produce carbohydrates by photosynthesis • a drawing together; a shortening or shrinkage • ...
Chemistry Revision 2013-04-08
Across
- The law of conservation of __ says that matter is never created or destroyed
- The number of electrons in an atom is the same as the number of ___ in the atom
- The type of radiation particles that cannot penetrate plastic or wood
- On the pH scale the number 7 is ___
- The name of the tenth element
- The ___ number is different for each element and is the number of protons in an atom
- H is the symbol for which element
- The type of reaction where energy is taken in from the environment eg. ice pack
- The ___ table includes all the elements ordered by their atomic number
- Atoms of the same element with different mass numbers
- The neutral particles in an atom
- This element has an atomic number of 5
- On the pH scale the numbers from 8-14 are ___
Down
- On the pH scale the numbers from 0-6 are ___
- The name of a reaction where a substance reacts with oxygen and heat is released
- Together the protons and neutrons form the ___ in the centre of the atom
- The 'building blocks' of matter, what all matter is made up of
- The type of reaction where energy is released eg. a heat pack
- The new substances that are formed after a chemical reaction
- The type of radiation particles that can only be stopped by thick lead or concrete
- Cl is the symbol for which element
- The negative particles in an atom that orbit on shells
- The type of radiation particles that can easily be stopped by a piece of paper
- The number of protons in a Lithium atom
- Carbon's atomic number
25 Clues: Carbon's atomic number • The name of the tenth element • The neutral particles in an atom • H is the symbol for which element • Cl is the symbol for which element • On the pH scale the number 7 is ___ • This element has an atomic number of 5 • The number of protons in a Lithium atom • On the pH scale the numbers from 0-6 are ___ • ...
Cell Chemistry 2013-04-13
Across
- a process where solvent molecules move through a semipermeable membrane
- a process where one substance penetrates into the interior of another material
- the acronym for deoxyribonucleic acid
- threadlike bodies consisting of chromatin that carry the genes in a linear order
- transport the movement of ions or molecules across a cellular membrane requiring the consumption of energy
- Reaction a chemical reaction is a chemical change which forms new substances
- diffusion a process by which substances are transported across cell membranes
- transport transport that doesn’t use energy
- phenyl
- the chemical reaction that occurs between fuel and an oxidizing agent
- a set of chemical reactions used by plants using light for energy
- a polypeptide of molecule made up of polypeptides
- Respiration the oxidation of organic compounds
- a substance that provides nourishment for growth or metabolism
- acid the building blocks of proteins
- acids a carboxylic acid with a long side chain of hydrocarbons
- when particles move from areas of high concentration to areas of low concentration
- the positively charged center of an atom
Down
- a chemical species that is formed when two or more atoms join together
- adenosine triphosphate
- an organic molecule made up of a nucleotide base
- a sugar having many different forms
- the state or degree of being acid
- a measurement of the amount of solute dissolved in a liquid
- an organelle in the cytoplasm that functions in energy production
- defining structure of an element which cannot be broken by any chemical means
- compounds that are generally soluble in organic solvents
- to produce carbohydrates by photosynthesis
- a class of organic compounds
- any gaseous envelope or medium
- reproduction reproduction not involving the union of gametes
- a protein that functions as a catalyst for chemical reactions
- the ability to work
- a carbohydrate characterized by a sweet taste
- to cause a solute to pass into solution
- dioxide a colorless, odorless, incombustible gas
36 Clues: phenyl • the ability to work • adenosine triphosphate • a class of organic compounds • any gaseous envelope or medium • the state or degree of being acid • a sugar having many different forms • acid the building blocks of proteins • the acronym for deoxyribonucleic acid • to cause a solute to pass into solution • the positively charged center of an atom • ...
Cell Chemistry 2013-04-14
Across
- In plants, they store water. In animals, they may contain food, water or waste.
- Having the form of a sphere
- The basic structure of a cell membrane consisting of a double layer of phospholipid molecules.
- Threadlike bodies that carry the genes in a linear order: The human species have 23 pairs.
- Structures only found in the plant cell that performs photosynthesis.
- An organism too small to be seen by the unaided eye, as bacteria, fungi, algae, etc.
- A line that marks the limits of an area; a dividing line.
- A structure composed of two molecular layers
- An individual animal, plant, or single-celled life form.
- The water environment of a cell
- The command center of the cell, it contains DNA.
Down
- Mode of building, construction or organization; arrangement of parts, elements, or constituents.
- Reproduction without the fusion of gametes
- This structure performs the process of cellular respiration in which glucose sugar is broken down to provide ENERGY for the cell.
- The process of becoming smaller.
- An activity or purpose natural to or intended for a person or thing.
- A person who produces
- The semipermeable membrane enclosing the cytoplasm of a cell.
- A specialized part of a cell have some specific function.
- A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.
- Found on the RER or floating in the cytoplasm. Their job is to perform the making of protein
- A member of a large group of unicellular microorganisms lacking organelles and an organized nucleus, including some that can cause disease.
- The definite boundary or wall that is part of the outer structure of plant cells.
23 Clues: A person who produces • Having the form of a sphere • The water environment of a cell • The process of becoming smaller. • Reproduction without the fusion of gametes • A structure composed of two molecular layers • The command center of the cell, it contains DNA. • An individual animal, plant, or single-celled life form. • ...
Organic Chemistry 2013-03-12
Across
- Carbon compound
- type of bonds in organic compounds
- water splitting
- gas released from burning
- organism in fermentation of glucose
- organic acids
- volatile compound in perfumes
- fats with double bonds
- CH4
- fats and oils
- reacting acids with alkali
- scientific name for burning
- Organic compounds with double bonds
Down
- test for CO2
- Saturated organic compound
- method to separate liquid mixture
- the alcohols in fats and oils
- catalyst in margarine production
- reusable compound to purify ethanol
- Compounds made up of C and H only
- drying agent
- maximum number of carbon bonds
- main feedstock for making synthetic ethanol
- number of ester bonds in oils
- products of fermentation
- when solutions do not mix
26 Clues: CH4 • test for CO2 • drying agent • organic acids • fats and oils • Carbon compound • water splitting • fats with double bonds • products of fermentation • gas released from burning • when solutions do not mix • Saturated organic compound • reacting acids with alkali • scientific name for burning • the alcohols in fats and oils • volatile compound in perfumes • number of ester bonds in oils • ...
Cell Chemistry 2013-04-15
Across
- large group of compounds which contain carbon, hydrogen and oxygen
- building blocks of fat molecules
- consisting of many different and connected parts
- level of acid in substances
- large amount transferred to a place
- takes place in mitochondrion
- put data in
- substance that provides nourishment essential for growth
- deoxyribonucleic acid
- force which is the result of two or more forces acting conjointly
- set of connected parts forming a complex whole
- larage amount transferred out of a place
- sweet crystalline substance obtained from various plants
- higher to lower concentration of a substance
Down
- transfer of a substance across a cell membrane by diffusion
- molecules passing through less concentrated solution to more concentration solution
- take in or soak up
- a gaseous non-metallic element, makes up 20% of atmosphere
- facilitated transport by proteins
- class of nitrogenous organic compounds that consist of large molecules
- colorless, odorless gas, produced by burning carbon
- movement of ions across a cell membrane into a higher region of concentration
- measure of the acidity or basicity of a solution
- acquire something or establish
- take data out
25 Clues: put data in • take data out • take in or soak up • deoxyribonucleic acid • level of acid in substances • takes place in mitochondrion • acquire something or establish • building blocks of fat molecules • facilitated transport by proteins • large amount transferred to a place • larage amount transferred out of a place • higher to lower concentration of a substance • ...
Chemistry Crossword 2013-05-21
Across
- The simplest unit of matter
- A reaction that gives off heat
- Similar charges tend to...
- The type of compound formed by a metal and a nonmetal
- Type of attraction found between water molecules
- Like charges tend to...
- A molecule with oppositely charged ends
- An electron found in the outermost part of an atom
- The neutrally charged particle in an atom
- A Chemist's unit for amount
Down
- The type of compound formed by two nonmetals
- An atom with a "paws-i-tive" charge
- A pure substance found on a table
- The study of matter and how it changes
- A reaction that absorbs heat
- When 2 or more substances combine and change
- The positively charged particle in an atom
- Name of the scientist associated with moles
- The lightest element
- The negatively charged particle in an atom
- Where most of the mass of an atom is located
- How much space an object takes up
22 Clues: The lightest element • Like charges tend to... • Similar charges tend to... • The simplest unit of matter • A Chemist's unit for amount • A reaction that absorbs heat • A reaction that gives off heat • A pure substance found on a table • How much space an object takes up • An atom with a "paws-i-tive" charge • The study of matter and how it changes • ...
Chemistry Crossword 2014-12-18
Across
- This is what happens when gas is made in a chemical reaction.
- Results should be plotted to draw one of these.
- (6,6) A clear sign of a chemical reaction.
- The element has the chemical symbol Na
- (6,6) This is used to heat things up safely.
- (8,5) You've got a copy of this in your planner.
- Unwanted chemicals in the environment are sometimes called this.
- (5,5) Used to hold things while you do an experiment.
- Water is a good example of this state of matter.
- (4,4) A thin glass container used for testing chemicals.
- Something you keep the same to make a fair test.
- The proper word is "combustion" this is a very hot chemical reaction.
Down
- You hate wearing these, but they keep your eyes safe.
- This element has the chemical symbol Ca
- The hardest state of matter.
- A blue Bunsen flame is called this.
- (6,7) A greenhouse gas.
- If a reaction gets hot or cold, we say this has changed.
- The lightest state of matter.
- A condition that could be changed.
- A reactive gas in air, we need it for life.
- An orange Bunsen flame is called this.
- Results should be recorded in one of these.
- This element has the chemical symbol Cu
24 Clues: (6,7) A greenhouse gas. • The hardest state of matter. • The lightest state of matter. • A condition that could be changed. • A blue Bunsen flame is called this. • The element has the chemical symbol Na • An orange Bunsen flame is called this. • This element has the chemical symbol Ca • This element has the chemical symbol Cu • (6,6) A clear sign of a chemical reaction. • ...
Chemistry Crossword 2014-11-07
Across
- A cloudy mixture in which tiny particles of one substance are visible
- A combination of pure substances
- Substances ability to resist being scratched
- Highly valued metal, Attractive colour and Lustre. Does not Tarnish.
- Orange Square Safety Hazard Symbol
- Also a cloudy mixture, but the particles are not visible
- Temperature at which a substance changes from Liquid to Gas
- Discovered the Nucleus, First name Ernest
- Gas to Liquid
- Temperature at which a substance changes from Solid to Liquid
- Fourth State of Matter
- The amount of mass in a given volume of a substance
- Created the Billiard Ball model, first name John
Down
- Solid to Liquid
- Information Sheets about specific Chemicals
- Gas to Solid/ Solid to Gas
- Ability of a substance to be dissolved into another
- Liquid to Solid
- Liquid to Gas
- A substances ability to be pounded into sheets
- Yellow Triangle Safety Hazard Symbol
- A substances ability to be stretched into long wire
- Russian Chemist who was able to organize elements through patterns in properties of the elements
- Creator of the "Raisin Bun model"
- Red Octagon Safety Hazard Symbol
25 Clues: Liquid to Gas • Gas to Liquid • Solid to Liquid • Liquid to Solid • Fourth State of Matter • Gas to Solid/ Solid to Gas • A combination of pure substances • Red Octagon Safety Hazard Symbol • Creator of the "Raisin Bun model" • Orange Square Safety Hazard Symbol • Yellow Triangle Safety Hazard Symbol • Discovered the Nucleus, First name Ernest • ...
Chemistry Crossword 2014-11-07
Across
- The most stable and unreactive elements.
- Translates into "the chemist"
- Releases heat
- A metal and non-metal
- When 2 or more substances combine to form a new substance
- J.J Thomson's model
- Negatively charged particles
- A change that is irreversible
- Slow reaction requiring oxygen
- A non-metal and non-metal
- NaCl
- A change that is reversible
- Organic Catalyst
Down
- Absorbs heat
- Neutrally charged particles
- Below the element's name
- The number on the top left
- Located in the center of the atom
- John Dalton's model
- Rows in the periodic table
- An atom that has become electrically charged
- C02
- Columns in the periodic table
- Fast reaction requiring oxygen
- A table of elements
- Positively charged particles
26 Clues: C02 • NaCl • Absorbs heat • Releases heat • Organic Catalyst • John Dalton's model • J.J Thomson's model • A table of elements • A metal and non-metal • Below the element's name • A non-metal and non-metal • The number on the top left • Rows in the periodic table • Neutrally charged particles • A change that is reversible • Negatively charged particles • Translates into "the chemist" • ...
Chemistry Crossword 2014-11-07
Across
- are substance that help reaction proceed faster
- change the results when two or more substance react to create a different substance or substances
- a table in which the elements are organized by their physical and chemical property
- property that describes the physical appearance and composition of a substance
- pure substance formed when at least one metal and non metal combine
- new substance produced
- change in the appearance or state of a substance that does not change the composition
- oxygen reacts with a substance
- absorbs energy
- mass of one atom of an element
- can be broken down into other substance
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated
Down
- release energy
- substance that react with another substance
- description of how substance interacts with other substances
- can be seperated
- all products of a chemical reaction are accounted for
- become electrically charged
- most reactive of the metals
- group 17 elements in periodic table
- two or more pure substance
- chemical combination of two or more elements in a specific ratio
- number of protons in the nucleus
- combination of pure substances
- slow chemical change
25 Clues: release energy • absorbs energy • can be seperated • slow chemical change • new substance produced • two or more pure substance • become electrically charged • most reactive of the metals • oxygen reacts with a substance • combination of pure substances • mass of one atom of an element • number of protons in the nucleus • group 17 elements in periodic table • ...
Chemistry Bubble 2014-11-13
Across
- This applies to predictions of future events, to physical measurements that are already made, or to the unknown. Uncertainty arises in partially observable and/or stochastic environments, as well as due to ignorance and/or indolence.
- It is the analysis of the relationships between different physical quantities by identifying their fundamental dimensions (such as length, mass, time, and electric charge) and units of measure (such as miles vs. kilometers, or pounds vs. kilograms vs. grams) and tracking these dimensions as calculations or comparisons are performed.
- A ____________ is a substance or compound that is added to a system in order to bring about a chemical reaction, or added to see if a reaction occurs.
- ____________ is a chemical property that describes the tendency of an atom or a functional group to attract electrons (or electron density) towards itself.
- _______________ are the species formed from chemical reactions.
- This is the quantity of three-dimensional space enclosed by some closed boundary, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains.
- ____________ is based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.
- These are those digits that carry meaning contributing to its precision.
- The person the mole is named after.
- This is a clear, colorless, highly pungent solution of hydrogen chloride in water. It is a highly corrosive, strong mineral acid with many industrial uses. It is found naturally in gastric acid.
- ___________ is a group of chemical elements with similar properties: under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
- It is the calculation of relative quantities of reactants and products in chemical reactions.
- This is the very dense region consisting of protons and neutrons at the center of an atom.
- The thing we use to measure small things.
- _________ table is a tabular arrangement of the chemical elements, organized on the basis of their atomic number (number of protons in the nucleus), electron configurations, and recurring chemical properties.
- It is the smallest unit that defines the chemical elements and their isotopes.
- This is a subatomic particle with a negative elementary electric charge.
- _________ mass (M) is a physical property. It is defined as the mass of a given substance (chemical element or chemical compound) divided by its amount of substance. The base SI unit is kg/mol. However, for historical reasons, are almost always expressed in g/mol.
Down
- It is a chemical element. It is a member of the chalcogen group on the periodic table and is a highly reactive nonmetallic element and oxidizing agent that readily forms compounds (notably oxides) with most elements.
- ___________ is the determination of the absolute or relative abundance (often expressed as a concentration) of one, several or all particular substance(s) present in a sample.
- The _________ metals are a group (column) in the periodic table that take a +1 charge (+1 oxidation state.)
- It is an atom or molecule in which the total number of electrons is not equal to the total number of protons, giving the atom a net positive or negative electrical charge.
- Name this(HNO3).
- It is a subatomic particle with a positive electric charge of +1e elementary charge and mass slightly less than that of a neutron.
- The international system of units, abbreviated __________, from French: Le Système International d'Unités) is the modern form of the metric system and is the world's most widely used system of measurement, used in both everyday commerce and science.
- ____________ molecules are molecules composed of only two atoms.
- It is the degree of closeness of measurements of a quantity to that quantity's actual (true) value.
- Percent __________ is a special case of the percentage form of relative change calculated from the absolute change between the experimental (measured) and theoretical (accepted) values, and dividing by the theoretical (accepted) value.
- One mole of an ideal gas has a volume of 22.7 L at _______.
- What you have when two or more of any elements are joined together chemically.
- This is the degree to which repeated measurements under unchanged conditions show the same results.
- The _______ bond is type of chemical bond that involves the electrostatic attraction between oppositely charged ions.
- In chemistry,__________ , also referred to as reaction __________, is the amount of product obtained in a chemical reaction.
- ___________ weight(GFM) refers to the mass of a molecule. It is calculated as the sum of the mass of each constituent atom multiplied by the number of atoms of that element.
- It is found at group 11 period 4.
- He theorized that atoms have their charge Rutherford concentrated in a very small nucleus.
- ___________ are a group in the periodic table consisting of five chemically related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
- ____________ is a polyatomic anion with the empirical formula SO4(2−).
- The __________ bond is a chemical bond that involves the sharing of electron pairs between atoms.
- __________ reaction is a process that leads to the transformation of one set of chemical substances to another.
- The law of conservation of ________ , or principle of _______ conservation, states that for any system closed to all transfers of matter and energy (both of which have _______), the _______ of the system must remain constant over time, as system _______ cannot change quantity if it is not added or removed. (All 5 blanks are the same word.)
41 Clues: Name this(HNO3). • It is found at group 11 period 4. • The person the mole is named after. • The thing we use to measure small things. • One mole of an ideal gas has a volume of 22.7 L at _______. • _______________ are the species formed from chemical reactions. • ____________ molecules are molecules composed of only two atoms. • ...
Chemistry Crossword 2014-11-04
Across
- Increases the rate of a chemical reaction
- Classified by Moh's Hardness Scale
- Symbol is Au
- Liquid to solid
- Absorbs heat
- Positive Charge
- A WHMIS Symbol seen on CO2 cartridges
- Shininess
- Densest State of Matter
- What it looks like
- Gas to Liquid
- Ability to be dissolved
- Ability to conduct heat or electricity
- Workplace Hazardous Materials Information System
- Least densest State of Matter
Down
- Releases heat
- Solid to liquid
- Charges in an element
- Liquid to Gas
- Ability to be pounded into sheets
- Solid To Gas
- Ability to be stretched into wires
- Neutral Charge
- Negative Charge
- Amount of mass in a given volume
- Household Product System
26 Clues: Shininess • Symbol is Au • Absorbs heat • Solid To Gas • Releases heat • Liquid to Gas • Gas to Liquid • Neutral Charge • Solid to liquid • Liquid to solid • Positive Charge • Negative Charge • What it looks like • Charges in an element • Densest State of Matter • Ability to be dissolved • Household Product System • Least densest State of Matter • Amount of mass in a given volume • ...
Chemistry Crossword 2014-11-04
Across
- Positively charged particle in the nucleus of an atom
- Chemical reaction that occurs when oxygen reacts with a substance to form a new substance that gives off energy
- A material changes from one state to another
- Chemical reaction that takes place in cells
- Measured by atomic mass unit
- The most reactive of the metals
- Two or more materials react and create a new substance
- Horizontal row of elements in the periodic table
- Invisible negatively charged particle that orbits the nucleus of an atom
- The most stable and unreactive elements
- Catalyst involved in chemical reactions in living things
- Pure substance formed when non metals combine
- Solid liquid gas and plasma
- Slow chemical change that occurs when oxygen in the air reacts with a metal
- Element that has both metallic and non metallic properties
Down
- An experiment in which one or more products of the chemical reaction can escape
- The law that states that matter is not created or destroyed in a chemical reaction
- Combination of symbols that represent a compound
- The fourth state of matter
- Pure substance formed when at least one metal and one non metal combine
- The most reactive non metals
- An experiment where all reactants and products of a chemical reaction are accounted for
- Substances that help a chemical reaction to proceed more quickly
- Vertical column of elements in the periodic table
- Neutral particle in the nucleus of an atom
25 Clues: The fourth state of matter • Solid liquid gas and plasma • Measured by atomic mass unit • The most reactive non metals • The most reactive of the metals • The most stable and unreactive elements • Neutral particle in the nucleus of an atom • Chemical reaction that takes place in cells • A material changes from one state to another • ...
Chemistry Crossword!!! 2014-11-04
Across
- Compound formed when two nonmetals combine
- a system in which the products can escape
- characteristics used to describe a substance
- created the organization for the periodic table of elements
- A compound that is created by combing a metal and non-metal
- the substances that start the reaction
- the orbit of electrons around a nucleus in an atom
- the 7 horizontal rows in the periodic table
- elements with metal and non metal properties
- a chemical reaction that is formed when oxygen reacts with a substance that gives off energy
- Element that is brittle before heated
- matter going from a solid to liquid
Down
- An Organic Catalyst
- These chemists wrote the first chemistry text and created beakers and other lab equipment
- Found in the 18th group on periodic table of elements
- stands for workplace hazardous material information system
- a physical property found in metals and carbon
- Number that represents number of electrons and protons in one atom of elements
- A higher_________ creates a faster reaction rate
- Another word for a mechanical mixture
- Comes from the Greek word meaning juice of a plant
- the amount of mass in a given volume
- A chemical reaction that releases heat
- anything with mass or that occupies space
- Subatomic particles that are neutrally charged
25 Clues: An Organic Catalyst • matter going from a solid to liquid • the amount of mass in a given volume • Another word for a mechanical mixture • Element that is brittle before heated • the substances that start the reaction • A chemical reaction that releases heat • a system in which the products can escape • anything with mass or that occupies space • ...
CHEMISTRY CROSSWORD 2014-11-04
Across
- Cloudy mixture, cannot be separated looks like one
- Solid to liquid
- Mixture of two or more pure substances that
- Anything that has mass and occupies space.
- Gas to solid
- change When two or more substances react to create a different substances
- mixture Mixture in which the different substances that make up the mixture are visible
- Solid to gas
- Liquid to gas
- Combination of pure substances
- table Where elements are organize are organize by their physical and chemical properties
Down
- compounds A pure substance formed when at least have one metal and non metal
- Chemical combination of two or more elements in a specific ratio
- Workplace Hazardous Materials Information System
- Cloudy mixture, where tiny particles are held within one another and the particles can be separated
- Gas to liquid
- properties Properties that describes the physical appearance and composition of a substance
- Amount of mass in a given volume
- Pure substances that cannot be broken down into other substances
- Liquid to solid
- change Change in the appearance or state of a substance that does not change the composition
- solution A solution in which water is the solvent
- substances Substances made of only one kind of matter
23 Clues: Gas to solid • Solid to gas • Gas to liquid • Liquid to gas • Solid to liquid • Liquid to solid • Combination of pure substances • Amount of mass in a given volume • Anything that has mass and occupies space. • Mixture of two or more pure substances that • Workplace Hazardous Materials Information System • solution A solution in which water is the solvent • ...
Chemistry Crossword 2014-11-04
Across
- an experiment in which all reactant and all product of a chemical reaction are accounted for.
- mass of one atom in an element
- group 2 on the periodic table
- a slow chemical change when oxygen reacts with metal
- metal+non-metal
- Non-reversible
- natural gases
- a new substance produced in a chemical reaction between reactant
- non-metal+non metal
Down
- chemical which absorbs heat is
- a chemical reaction that takes place in the cell of your body
- substance that helps chemical reaction to proceed more quickly
- cloudy mixture
- number of protons in the nucleus of one of an element
- Reversible
- a substance that react's with other substance to create a new substance with a different properties
- the smallest part of an element that is representative of the element
- ability of a substance to conduct electricty or heat
- chemical which release heat energy is
- very reactive material
- chemical reaction that occurs when oxygen reacts with other substance which gives of energy
- neutral particle
- negative charges
- positive charges
24 Clues: Reversible • natural gases • cloudy mixture • Non-reversible • metal+non-metal • neutral particle • negative charges • positive charges • non-metal+non metal • very reactive material • group 2 on the periodic table • chemical which absorbs heat is • mass of one atom in an element • chemical which release heat energy is • a slow chemical change when oxygen reacts with metal • ...
Chemistry Crossword 2014-11-04
Across
- Things that accelerate chemical reaction
- A Factor of rection
- Pure substance created when two non-metals combine
- Na
- Fe
- The system that allows gases to escape
- The amount in a given space
- Pb
- Hot and Cold
- The state in "The Middle"
Down
- Anti-Heat
- The system that does not allow gas to escape
- The least hard stater posible
- The amount of weight
- Positives and negitives
- Has heavy concentration in the air
- A reaction that changes the molecular composition
- Its all around us
- The first element on the Table
- The Hardest state possible
- Fr
- Pro-Heat
- The result of a chemical reaction
23 Clues: Na • Fe • Pb • Fr • Pro-Heat • Anti-Heat • Hot and Cold • Its all around us • A Factor of rection • The amount of weight • Positives and negitives • The state in "The Middle" • The Hardest state possible • The amount in a given space • The least hard stater posible • The first element on the Table • The result of a chemical reaction • Has heavy concentration in the air • ...
chemistry crossword 2014-11-06
Across
- a element with the atomic number 'ZN'
- group of atoms joined by covalent bonds
- neutral particle in the nucleus in an atom
- an element with the atomic symbol 'RN'
- an element with the atomic symbol of 'H'
- an element with the atomic symbol 'B'
- the group in the periodic table between metals and non metals
- positively charged particle in an atom
- mass of one element calculated from the total number of protons
- horizontal row of elements on periodic table
- atom that has become electrically charged because it lost or gained electrons
- the centre of an atom
- pure substance that can not be broken down and made up of only one atom
- makes up all living things that occupy space
- an element with the atomic symbol 'AU'
Down
- combination of pure substances
- the most reactive non metals on the periodic table
- negatively charged atom that goes around the nucleus
- slow chemical change that occurs when oxygen reacts with metal
- chemical reaction that absorbs energy
- a table where all the elements are organized
- chemical reaction where oxygen reacts with a substance to from new substance and give off energy
- a material that electrical charge can pass through easily
- the smallest part of an element that makes up all living things
- a vertical column of elements on the periodic table
- shiny, malleable, ductile elements that conduct electricity
26 Clues: the centre of an atom • combination of pure substances • a element with the atomic number 'ZN' • chemical reaction that absorbs energy • an element with the atomic symbol 'B' • an element with the atomic symbol 'RN' • positively charged particle in an atom • an element with the atomic symbol 'AU' • group of atoms joined by covalent bonds • ...
Chemistry Crossword 2014-11-03
Across
- neutral particle in the nucleus of an atom
- group of atoms joined by covalent bonds
- vertical column of elements in the periodic table
- table that has all the elements
- a new substance formed by reactants
- slow chemical reaction
- a reaction that gives off heat
- smallest part of an element
- this elements symbol is N
- a subatomic particle with a negative charge
- center of an atom
Down
- this elements symbol is Ne
- a pure substance formed when a metal and non metal combine
- the number of the element on the table of elements
- 2 or more atoms that create a substance
- the stuff we breathe
- mass of an atom
- a reaction that absorbs heat
- this element can be found in a banana
- an organic catalyst
- this elements symbol is H
- a subatomic particle with a positive charge
- an organic catalyst
- a substance speeds up a chemical reaction
- this elements symbol is Au
25 Clues: mass of an atom • center of an atom • an organic catalyst • an organic catalyst • the stuff we breathe • slow chemical reaction • this elements symbol is H • this elements symbol is N • this elements symbol is Ne • this elements symbol is Au • smallest part of an element • a reaction that absorbs heat • a reaction that gives off heat • table that has all the elements • ...
Chemistry Crossword!! 2015-09-17
Across
- The name of the group of elements found in group 1 on the periodic table
- Another word for semimetal
- Name for a column on the periodic table
- The number of protons plus neutrons in an atom
- The name of the layers found around the nucleus of an atom that hold electrons
- An atom that has gained/lost neutrons
- Part of an atom that consists of protons and neutrons
- The number of protons in an atom
- Positively charged ions
- Substance consisting of atoms found on the periodic table
- The name of the original state of an electron before and after it has gone to its excited state
- The name of the set of metallic elements in the central block of the periodic table from group 4-13
- The name of an atom that has gained/lost one or more electrons
- The name of a substance formed when two or more chemical elements are chemically bonded together
- The name of the group of metallic elements in the periodic table with atomic numbers 57-71
- The model that describes that electrons are found inn shells
- Name of left over shells
- Neutrally charged particle found in the nucleus
- The name of the group of elements found in group 18 on the periodic table
Down
- The name of the symbol of an element
- Another name for electron shells
- The name of the group of elements found in group 17 of the periodic table
- The name of a particle representing a quantum of light or other electromagnetic radiation
- The way you present the number of electrons in each shell
- The name of the state when an electron jumps from the ground state to a higher energy state
- Name for a row on the periodic table
- The name of the chemical bond formed between two ions with opposite charges
- The name of the group of metallic elements in the periodic table from 89-103
- Name of left over electrons
- Negatively charged ions
- Name of the thing that makes up all matter
31 Clues: Positively charged ions • Negatively charged ions • Name of left over shells • Another word for semimetal • Name of left over electrons • Another name for electron shells • The number of protons in an atom • The name of the symbol of an element • Name for a row on the periodic table • An atom that has gained/lost neutrons • Name for a column on the periodic table • ...
Chemistry Crossword 2015-12-01
Across
- - dull, brittle element that does not conduct electricity
- - group 17 elements in the periodic table; the most reactive non-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
- - 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
- - description of a substance that can be pounded or rolled into sheets
- - group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- - anything that has mass and occupies space
- - substance that helps a chemical reaction to proceed more quickly
- - invisible negatively charged particle that orbits the nucleus of an atom
- - neutral particle in the nucleus of an atom
- - 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)
- - substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
- - change of state from a liquid to a solid
Down
- - pure substance that cannot be broken down into other substances; substance made up of only one type of atom
- - shiny , malleable, ductile element that conducts electricity
- - number of protons in the nucleus of one atom of an element
- - property that describes the physical appearance and composition of a substance
- - metals that have a density of 5 or higher heavy metals are one type of substance monitored to determine water quality
- - group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
- - substance that strongly resists the flow of electricity
- - the sum of the number of protons and neutrons in an atom
- - group 18 elements in the periodic table; the most stable and unreactive elements
- - change of state from a gas to a solid
- - positively charged centre of an atom; contains protons and neutrons
- - chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
25 Clues: - change of state from a gas to a solid • - change of state from a liquid to a solid • - anything that has mass and occupies space • - neutral particle in the nucleus of an atom • - dull, brittle element that does not conduct electricity • - substance that strongly resists the flow of electricity • - the sum of the number of protons and neutrons in an atom • ...
Chemistry crossword 2015-12-02
Across
- a chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- group of atoms joined by covalent bonds
- anything that has mass and occupies space
- made of only one kind of matter
- horizontal row of elements in the periodic table
- group 17 elements in the periodic table
- group 1 elements in the periodic table, not including hydrogen
- a system of easy-to-see warning symbols on hazardous materials
- 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
- change in the appearance or state of a substance that does not change the composition
- vertical column of elements in the periodic table
- measure of one atomic mass
- the ability of a substance to conduct electricity or heat
Down
- positively charged centre of an atom; contains protons and neutrons
- combination of symbols that represent a compound
- occurs when two or more materials react and create new materials
- characteristics that describe a particular substance (e.g. colour, lustre, melting point)
- netrual particle in the nucleus of an atom
- a reaction that takes place when two or more substances react to form new substances
- amount of mass in a given volume of a substance
- positively charged particle in the nucleus of an atom
- group of atoms acting as one
- mass of one atom of an element calculated from the total number of protons, neutrons, electrons of that atom
25 Clues: measure of one atomic mass • group of atoms acting as one • made of only one kind of matter • group of atoms joined by covalent bonds • group 17 elements in the periodic table • anything that has mass and occupies space • netrual particle in the nucleus of an atom • pure substance formed when non-metals combine • amount of mass in a given volume of a substance • ...
Chemistry Crossword 2015-12-02
Across
- Degradation Of a material Over time
- Substance that accelerates a chemical reaction
- A Table of the elements organized by number
- Chemical process in which a substance reacts rapidly with oxygen and give off heat
- Signs that appear on Hazardous Materials
- in a Chemical Reaction the mass of the reactants and will stay the same
- Substances that make products
- Created by reactants
- Elementary particle with no charge
- he basic unit of a chemical element
- negative charge
- Natural Catalyst in your saliva
- a particle that is electrically charged negative postive
Down
- When none of the reactants/products can escape an experiment
- positive charge
- The order of the element in the Periodic table
- When one metal and one non metal combine to make a new subbsantce
- the positively charged central core of an atom
- how heavy the atom is
- when some of the reactants/products can escape
- when substances react to create a new substance
- Absorbing energy (heat)
- the most reactive metal
- when a metal and a nonmetal combine
- the most reactive non metals
25 Clues: positive charge • negative charge • Created by reactants • how heavy the atom is • Absorbing energy (heat) • the most reactive metal • the most reactive non metals • Substances that make products • Natural Catalyst in your saliva • Elementary particle with no charge • Degradation Of a material Over time • when a metal and a nonmetal combine • he basic unit of a chemical element • ...
Chemistry Crossword 2015-12-02
Across
- amount of mass in a given volume of a substance
- a group of 17 elements on the periodic table
- chemical combination of two or more elements in a specific ratio
- description of a substance that can be pounded or rolled into sheets
- a extremely small thing
- an atom that has lost or gained electrons
- when oxygen reacts with another substance and creates energy
- when 2 or more substances react
- ability of a substance to conduct electricity or heat
- change of state
- a non-metal combined with a pure substance
- a thought that people generally accept
- during a reaction the product can escape
- a table in which the elements are organized by their physical and chemical properties
Down
- group of atoms joined by covalent bonds
- materials at the start of a reaction
- group 18 elements in the periodic table
- During a reaction the product cannot escape
- pure substances formed when non-metals combine
- Things are made up of __________
- new materials created by a reaction
- slow chemical change that occurs when oxygen in the air reacts with a metal
- a vertical column of elements in the periodic table
- change of state
- a material that electric charge can move through easily
25 Clues: change of state • change of state • a extremely small thing • when 2 or more substances react • Things are made up of __________ • new materials created by a reaction • materials at the start of a reaction • a thought that people generally accept • group of atoms joined by covalent bonds • group 18 elements in the periodic table • during a reaction the product can escape • ...
Chemistry Crossword 2015-10-04
Across
- State without charge
- A particle carrying light
- The last shell in the electron config.
- A negatively charged ion
- The building blocks of the universe
- Name of elements in the middle
- Number of protons plus electrons
- A particle circling the atom
- The centre of an atom
- Elements 57-71
- Electrons in the last electron shell
- An atom with more/less electrons
- Group 18 on the periodic table
- Group 17 in Periodic table
Down
- An element with more/less neutrons
- Number of protons
- The charged state of an atom
- Rows in the Periodic Table
- Elements with mixtures of metals and non metals
- Transfer of valence electrons
- Group 1 of the periodic table
- Two bonded elements
- The setup of electrons
- Current model of atom
- Columns in the periodic table
- Elements 89-103
- The space around an atom that electrons travel in
- Simplest form of a substance
- Positively charged ion
- Subatomic particle with no charge
30 Clues: Elements 57-71 • Elements 89-103 • Number of protons • Two bonded elements • State without charge • Current model of atom • The centre of an atom • The setup of electrons • Positively charged ion • A negatively charged ion • A particle carrying light • Rows in the Periodic Table • Group 17 in Periodic table • The charged state of an atom • Simplest form of a substance • ...
Chemistry Crossword 2015-06-02
Across
- an ion that has a positive charge
- whole number in front of a formula in a chemical equation
- unit that energy is measured in
- another word for "state"
- lowest energy state
- the study of the transfer of energy as heat
- the substance that is dissolved
- a substance made up of atoms of two or more different elements joined by chemical bonds
- arrangement of electrons in an atom
- shows the trend in solubility of a substance at a given temperature range
- an atoms has more energy than it does at its lowest state
- an ion that has a negative charge
- exactness of a measurement
- series of steps followed to solve problems
- element that is shiny and conducts heat
Down
- how close a measurement is to the true value
- bond between a metal and a nonmetal
- bond formed between to metalloids
- distance from any point on a wave to an identical point on the next wave
- horizontal row of elements that change periodically with the atomic numbers of the elements
- the time required for half of a radioactive sample to decay
- forward and reverse reactions happen at the same time
- absorbs heat and energy
- chemical formula that shows the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio
- parts of the mixture that look the same
- the ability of an atom to attract electrons
- bond between two nonmetals
- one of the elements in Group 18, stable elements
- atom that has the same number of protons but a different number of neutrons
- one of the elements of Group 1 of the periodic table
- more dense than a gas but less dense than a solid
- releases heat and energy
- substance that forms in a chemical reaction
- SI unit used to measure the amount of a substance whose number of particles is the same as the number of atoms
- one of the elements in Group 17
35 Clues: lowest energy state • absorbs heat and energy • another word for "state" • releases heat and energy • bond between two nonmetals • exactness of a measurement • unit that energy is measured in • the substance that is dissolved • one of the elements in Group 17 • an ion that has a positive charge • bond formed between to metalloids • an ion that has a negative charge • ...
Organic Chemistry 2015-08-27
Across
- a fossil fuel composed primarly of alkanes containing one to four carbon atoms
- two parts of a molecule are added to an unsaturated molecule, increasing the saturation of the molecule.
- when hydrocarbon groups are bonded to the same atom of oxygen.
- one or more atoms replace another atom or group of atoms in a molecule.
- one or more halogen atome fluorine, chlorine, bromine, or iodine are substituted for one or more hydrogen atoms in a hydrocarbon
- contain one or more hydroxyl groups
- Compounds any member of a large class of gaseous, liquid, or solid chemical compounds whose molecules contain carbon.
- first to synthesize an organic compound from inorganic chemicals
- a polymer formed by condensation reactions
- groups of atoms that form when one hydrogen atom is removed from an alkane molecule
- Indicates the number and types of atoms present in a molecule and also show’s the bonding arrangement.
Down
- alkens where the carbon atoms are arranged
- Also called constitutional isomers
- The small units
- the order of atom bonding is the same but the arrangement of atoms in space is different.
- simple molecules, such as water ore ammonia is formed from adjacent carbon atoms of a larger molecule.
- two molecules or parts of the same molecule combine.
- a polymer formed by addition reactions between monomers that contain a double bond.
- polymers made from two or more different monomers
- Large molecules made of many small units joined to each other.
- Hydrocarbons that only contain single bonds
21 Clues: The small units • Also called constitutional isomers • contain one or more hydroxyl groups • alkens where the carbon atoms are arranged • a polymer formed by condensation reactions • Hydrocarbons that only contain single bonds • polymers made from two or more different monomers • two molecules or parts of the same molecule combine. • ...
Chemistry 11 2015-08-31
Across
- This Quantum number describes the orientation of the electron-wave in space
- To whom uncertainty principle said that " It is impossible to determine the exact position, velocity etc. of an electron at the same time
- "The maximum number of valence electron for any atom is equal to eight"
- abbreviation/ representation of the identity of the elements consisting a compound
- Describes each electron completely in an atom
- chemical elements found in Group 1 of the periodic table
- " All matter exhibits wave character"
- a bond formed by shaving off electrons, between two non-metals
- elements having a partially filled d or f subshell in any common oxidation state
- Electrically charged particle
- Also called Orbital, This quantum number describes the shape of electron waves
- a group in the periodic table consisting of five chemically related elements
- This quantum number describes the energy and the distance of the electron from the nucleus
- gas All of the elements in Group Zero
- a bond formed by transfer of electrons from metal to non-metal
- Change in energy when a neutral atom gains electron
- atoms or radicals which are a group of atoms, that have gained electrons.
- Base Formers
Down
- Particles involved in chemical reaction
- Joining of two atoms in a stable arrangements
- The best formula because it shows the types and number of bonds and orientations of the atom
- Do not React
- an electron that is associated with an atom, and that can participate in the formation of a chemical bond
- A unit consistency of two or more atoms covalently bonded with one another, which behave as one unit
- Energy requirement for losing election
- the devising or choosing of names for things, especially in a science or other discipline.
- This Quantum number describes the direction of the electron spin
- It gives the smallest whole numbered ratio of the elements present in a compound
- a positively charged ion, i.e., one that would be attracted to the cathode in electrolysis.
- Acid Formers
30 Clues: Do not React • Acid Formers • Base Formers • Electrically charged particle • " All matter exhibits wave character" • gas All of the elements in Group Zero • Energy requirement for losing election • Particles involved in chemical reaction • Joining of two atoms in a stable arrangements • Describes each electron completely in an atom • ...
Chemistry Crossword 2015-11-17
Across
- element that has both metallic and non-metallic properties
- the most reactive of the metals
- A change that results when two or more substances react to create a different substance.
- Anything that has a mass and occupies space.
- Description of a solid that can be stretched into a long wire.
- Substance made of only one kind of matter, which has a unique set of properties.
- a pure substance formed when non-metals combine
- Pure substance that can not be broken down into other substances.
- Chemical combination of two or more elements in a specific ratio.
- Description of a substance that can be pounded or rolled into sheets.
- A table in which the elements are organized by there physical and chemical properties.
Down
- Ability of a substance to conduct electricity or heat.
- a fundamental principal that energy cannot be created or destroyed
- Mass of a substance that can dissolve in a given amount of solvent.
- The point at which temperature a substance will begin to melt at.
- a change of stae from a solid to a liquid
- is the mass of one atom of an element
- a combination of symbols that represent a compound
- The point at which temperature a substance will begin to boil at.
- A change in which the appearance or state of a substance that does not change composition.
- Characteristics that describe a particular substance.
- shiny, malleable and ductile element that conducts electricity
- a substance that strongly resists the flow of electricity
- Substance that helps a chemical reaction to proceed more quickly.
- the sum of the number of protons and neutrons in a atom
25 Clues: the most reactive of the metals • is the mass of one atom of an element • a change of stae from a solid to a liquid • Anything that has a mass and occupies space. • a pure substance formed when non-metals combine • a combination of symbols that represent a compound • Characteristics that describe a particular substance. • ...
chemistry crossword 2015-11-17
Across
- how a solid can be stretched and made into a long wire.
- how well a substance can stand not getting damaged or scratched.
- a compound where two non-metals are combined.
- how well a substance dissolves in another.
- chemical reaction that releases heat energy.
- chemical reaction that absorbs heat energy.
- how well a substance is conductible with electricity.
- a slow chemical change that occurs when oxygen in the air reacts with a metal
- is the mass of one atom or element
- positively charged center of an atom contains protons and neutrons
- point when a solid changes into a liquid at as certain temp.
- point when a liquid changes into a gas at a certain temp.
- positively charged particle in the nucleus of an atom
- A system which makes it easier to see warning symbols on hazardous materials
Down
- mixture the kind of mixture that the elements are visual in the mixture
- has both metallic and non-metallic properties.
- poisonous
- compounds are pure substances consisting of at least one metal and one non-metal.
- when a substance can be pounded or rolled into sheets of metal.
- is a material that can not be broken down into a simper substance.
- when oxygen reacts with a substance to create a new substance and give off energy.
- the amount of mass in a given volume of a substance.
- the sum of the number of protons and neutrons in an atom
- horizontal rows on periodic table
- vertical columns on a periodic table
25 Clues: poisonous • horizontal rows on periodic table • is the mass of one atom or element • vertical columns on a periodic table • how well a substance dissolves in another. • chemical reaction that absorbs heat energy. • chemical reaction that releases heat energy. • a compound where two non-metals are combined. • has both metallic and non-metallic properties. • ...
Chemistry crossword 2015-11-17
Across
- Pure substance formed when at least one metal and non-metal combine
- Smallest part of an element that is representative of that element
- Substance that greatly resists the flow of electricity
- Substance that helps a chemical reaction to proceed quicker
- Describes how a substance reacts with other other substances
- Combination of symbols that represent a compound, it identifies the elements in a compound and the amount of each element
- group of 17 elements in the periodic table. Most reactive non-metals
- Describes the physical appearance and composition of a substance
- A chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- Anything that has mass and takes up space
- A material that is made up of one substance
- Catalyst involved in a chemical reactions in living thing
- An experiment in which one or more products of a chemical reaction can escape
- Shiny, malleable, ductile, element that conducts electricity
- Horizontal row of elements in the periodic table
Down
- A change that occurs when 2 or more substances react to create a new substance
- Pure substance formed when two non-metals combine
- The mass of one atom in an element, made up of protons, neutrons and electrons
- A material that electric charge can move through easily
- Chemical combination of two or more elements in a specific ratio
- New substance produced in a chemical reaction between reactants
- The number of protons in a nucleus of one atom in an element
- Characteristics that can be used to describe a substance
- Solid to gas
24 Clues: Solid to gas • Anything that has mass and takes up space • A material that is made up of one substance • Horizontal row of elements in the periodic table • Pure substance formed when two non-metals combine • Substance that greatly resists the flow of electricity • A material that electric charge can move through easily • ...
Chemistry crossword 2015-11-17
Across
- Substance that helps a chemical reaction to proceed quicker
- Combination of symbols that represent a compound, it identifies the elements in a compound and the amount of each element
- Solid to gas
- A chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- Pure substance formed when two non-metals combine
- Substance that greatly resists the flow of electricity
- Catalyst involved in a chemical reactions in living thing
- An experiment in which one or more products of a chemical reaction can escape
- Smallest part of an element that is representative of that element
- group of 17 elements in the periodic table. Most reactive non-metals
Down
- A material that is made up of one substance
- A change that occurs when 2 or more substances react to create a new substance
- Characteristics that can be used to describe a substance
- Horizontal row of elements in the periodic table
- Describes the physical appearance and composition of a substance
- Describes how a substance reacts with other other substances
- Pure substance formed when at least one metal and non-metal combine
- Chemical combination of two or more elements in a specific ratio
- A material that electric charge can move through easily
- New substance produced in a chemical reaction between reactants
- Shiny, malleable, ductile, element that conducts electricity
- The number of protons in a nucleus of one atom in an element
- Anything that has mass and takes up space
- The mass of one atom in an element, made up of protons, neutrons and electrons
24 Clues: Solid to gas • Anything that has mass and takes up space • A material that is made up of one substance • Horizontal row of elements in the periodic table • Pure substance formed when two non-metals combine • Substance that greatly resists the flow of electricity • A material that electric charge can move through easily • ...
Chemistry Crossword 2015-11-13
Across
- A chemical reaction that releases energy
- An experiment in which one or more products of a chemical reaction can escape
- A substance that helps a chemical reaction to proceed quicker
- The new substance produced by the reactants
- 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 form a new substance
- group of atoms joined together by covalent bonds
- the smallest part of an element that is representative of that element
- A chemical change that occurs when oxygen in the air reacts with metal
Down
- A substance that reacts with another substance to create new substance with different properties
- number of protons in the nucleus of one atom of an element
- A pure substance that cannot be broken down into other substances
- A table in which the elements are organized by their physical and chemical properties
- The given name for the rows in a Periodic Table
- The given name for the columns in a Periodic Table
- A natural substance that is neither an acid nor a base
- A group of ions that act as one
- A chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- A study of chemical reactions which involves electricity
- An experiment in which all of the products of a chemical reaction are sealed and accounted for
- An atom that has become electrically charged by gaining or losing electrons
- A neutral particle in the nucleus of an atom
- Mass of one atom of an element
- A chemical reaction that absorbs heat
- A catalyst that is involved in the chemical reactions in living things
25 Clues: Mass of one atom of an element • A group of ions that act as one • A chemical reaction that absorbs heat • A chemical reaction that releases energy • The new substance produced by the reactants • A neutral particle in the nucleus of an atom • The given name for the rows in a Periodic Table • group of atoms joined together by covalent bonds • ...
Chemistry :D 2015-11-13
Across
- change that results when two or more substances react to create new substance(s)
- pure substance that cannot be broken down into other substances
- energy stored in chemicals and released when chemicals react
- ability of a substance to be able to conduct electricity
- description of how a substance interacts with other substances , such as acids
- catalyst involved in chemical reactions in living things
- chemical combination of two or more elements in a specific ratio
- group 17 on the periodic table
- energy of charged particles
- the smallest part of an element that is representative of that element
- colourless, odourless, poisonous gas
- group 1 elements on the periodic table; the most reactive elements
- number of protons in the nucleus of one atom of an element
- invisible negatively charged particle that orbits the nucleus of an atom
- change of state from a gas to a solid
Down
- a reaction that takes place when two or more substances react to form new substances
- orbit of electrons around the nucleus of an atom
- principle that matter is not created or destroyed in a chemical reaction
- substance that helps a chemical reaction to proceed more quickly
- combination of symbols that represent a compound
- measure of atomic mass
- an experiment in which all reactants and all products of a chemical reaction are accounted for
- mass of one atom of an element
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- description of a solid that can be stretched into a long wire
25 Clues: measure of atomic mass • energy of charged particles • group 17 on the periodic table • mass of one atom of an element • colourless, odourless, poisonous gas • change of state from a gas to a solid • orbit of electrons around the nucleus of an atom • combination of symbols that represent a compound • ability of a substance to be able to conduct electricity • ...
Chemistry Crossword 2015-11-19
Across
- The materials at the start of the reaction
- The characteristics of a substance
- A particle with a negative electric charge
- Solid to Gas
- Solid to Liquid
- A cloudy mixture which cannot be separated
- Gas to Liquid
- An atom that has lost or gained one or more electrons
- Insulator, Not ductile or malleable, Solid at room temperature
- Gas to Solid
- Most reactive non metals
Down
- Anything on the periodic table
- Anything that has mass and occupies space
- Release of heat
- A particle with a positive electric charge
- Liquid to Gas
- In-between Metals and non-metals
- Liquid to Solid
- A substance that increases the reaction rate
- Absorption of heat
- When more than 2 substances are combined
- A cloudy mixture which can be separated
- Conductor, Ductile, Malleable and Solid at room temperature
- What the reactants produce
- A mixture where the substances all look the same
25 Clues: Solid to Gas • Gas to Solid • Liquid to Gas • Gas to Liquid • Release of heat • Liquid to Solid • Solid to Liquid • Absorption of heat • Most reactive non metals • What the reactants produce • Anything on the periodic table • In-between Metals and non-metals • The characteristics of a substance • A cloudy mixture which can be separated • When more than 2 substances are combined • ...
Chemistry crossword 2015-11-19
Across
- A cloudy mixture that can be separated
- most unreactive non metal
- contains only non-metal elements
- indicates the mass of one atom in an element
- a organic catalyst
- Anything that has mass or occupies space
- substance A substance that is made up of one kind of matter
- A chemical reaction that absorbs heat energy
- has different substances but are not visible
- workplace hazardous information system
- anything on the periodic table
- A cloudy mixture that cannot be separated
- elements that have both metal and non-metal properties
Down
- most reactive non metals
- Contains metal and non-metal elements
- the result of the mixture of the reactants
- ability to burn,reaction with acid
- most reactive metals when exposed to H2O AND CO2
- most reactive metals
- colour,lustre,boiling point,melting point
- the number that indicates the number of protons in the elements nucleus
- a chemical reaction that releases heat energy
- are the materials that start a reaction
- are substances that helps a reaction process speed up
- A substance that contains more than one pure substance
25 Clues: a organic catalyst • most reactive metals • most reactive non metals • most unreactive non metal • anything on the periodic table • contains only non-metal elements • ability to burn,reaction with acid • Contains metal and non-metal elements • A cloudy mixture that can be separated • workplace hazardous information system • are the materials that start a reaction • ...
Chemistry Crossword 2015-11-19
Across
- material that allows electricity to flow through it
- an element that is not metallic
- Group seven in the periodic table and are all non-metals
- A molecule that has gained or lost one or more electrons
- Adsorbs heat energy in a chemical reaction
- Has an atomic mass of 14.0067
- Can be find in bananas
- This can be find in the centre of an atom
- A substance that is made up of two or more elements
- The same amount as electrons
- This gas can be put on balloons and make your voice higher
Down
- we need this gas to live
- This metal can be find in phone cases. It is also a song
- Releases Heat energy in a chemical reaction
- An exothermic reaction between an oxidant and fuel with heat and often light
- A chemical compound use to either slow down or speed up a chemical reaction
- The basic unit of a chemical element
- A protein that speeds up a reaction
- Has an atomic number of 1
- The chemical formula of this metal is FE
- The same amount as protons
- A substance that has both properties of a metal and non-metal
- A chemically bonded number of atoms that are electrically neutral
- The chemical formula for water
- A chemical element that is a good conductor
25 Clues: Can be find in bananas • we need this gas to live • Has an atomic number of 1 • The same amount as protons • The same amount as electrons • Has an atomic mass of 14.0067 • The chemical formula for water • an element that is not metallic • A protein that speeds up a reaction • The basic unit of a chemical element • The chemical formula of this metal is FE • ...
Chemistry Crossword 2015-11-19
Across
- neutral particle in the nucleus of an atom
- Group 7 on the Periodic Table and are all non-metals
- an element which is not metallic
- absorbs heat energy
- slow chemical change that occur when oxygen in the air in the air reacts with metal
- the chemical element of atomic number 12
- a protein that speeds up (catalyses) a reaction
- mixture of evenly dispersed substances, such as many milks
- a substance that is made up of two or more chemically bonded elements
- The chemical element of atomic number 6
- positively charged centre of an atom
Down
- a chemically bonded number of atoms that are electrically neutral
- the chemical element of atomic number 16
- Invisible negatively charged particle that orbits the nucleus of an atom
- group 18 elements, those whose outer electron shell is filled
- the chemical element of atomic number 26
- mass of one atom of an element calculated from the total number of protons
- The smallest part of an element that is representative of that element
- releases heat energy
- a positive unit or subatomic particle that has a positive charge
- a protein that speeds up (catalyses) a reaction
- the chemical element of atomic number 7
- a colorless, odorless, highly flammable gas, the chemical element of atomic number 1.
- Chemical element that is a good conductor of both electricity and heat
- atom that has become electrically charged because it has lost or gained electrons
25 Clues: absorbs heat energy • releases heat energy • an element which is not metallic • positively charged centre of an atom • the chemical element of atomic number 7 • The chemical element of atomic number 6 • the chemical element of atomic number 16 • the chemical element of atomic number 26 • the chemical element of atomic number 12 • neutral particle in the nucleus of an atom • ...
