chemical reaction Crossword Puzzles

VOCAB 2024-03-21

VOCAB crossword puzzle
Across
  1. a substance that slows, or even stops, a chemical reaction
  2. minimum amount of energy needed to start a chemical reaction
  3. a chemical reaction that releases thermal energy
  4. a type of chemical reaction in which the negative ions in two compounds switch places, forming two new
  5. a starting substance in a chemical reaction
  6. a catalyst that speeds up chemical reactions in living cells
  7. a substance that increases reaction rate by lowering the activation energy of a reaction
  8. law that states that the total mass of the reactants before a chemical reaction is the same as the total mass of the
  9. a description of a reaction using element symbols and chemical formulas
Down
  1. a process in which atoms of one or more substances rearrange to form one or more new substances
  2. a type of chemical reaction in which one compound breaks down and forms two or more substances
  3. a substance produced by a chemical reaction
  4. a type of chemical reaction in which one element replaces another element in a compound
  5. a chemical reaction that absorbs thermal energy
  6. a type of chemical reaction in which two or more substances combine and form one compound
  7. a number placed in front of an element symbol or chemical formula in an equation
  8. a chemical reaction in which a substance combines with oxygen and releases energy

17 Clues: a substance produced by a chemical reaction • a starting substance in a chemical reaction • a chemical reaction that absorbs thermal energy • a chemical reaction that releases thermal energy • a substance that slows, or even stops, a chemical reaction • minimum amount of energy needed to start a chemical reaction • ...

Chemical Reaction 2016-01-13

Chemical Reaction crossword puzzle
Across
  1. a burning candlelight can be an example of _________ _________
  2. new substances formed by the reaction
  3. a solid that forms from solution during a chemical reaction
  4. the ratio of elements in a compound
  5. the substances that undergo change in chemical reaction
  6. reactant + reactant → product + product
Down
  1. the study of matter and how matter changes
  2. photosynthesis is an example of an _________ _________
  3. burning is an example of a _______ _______
  4. matter is not allowed to enter or leave
  5. matter can enter from or escape to the surroundings
  6. melting is an example of a _______ _______
  7. a number placed in front of a chemical formula in an equation

13 Clues: the ratio of elements in a compound • new substances formed by the reaction • matter is not allowed to enter or leave • reactant + reactant → product + product • the study of matter and how matter changes • burning is an example of a _______ _______ • melting is an example of a _______ _______ • matter can enter from or escape to the surroundings • ...

Chemical Reaction 2016-01-13

Chemical Reaction crossword puzzle
Across
  1. new substances formed by the reaction
  2. matter is not allowed to enter or leave
  3. the ratio of elements in a compound
  4. a burning candlelight can be an example of _________ _________
  5. a number placed in front of a chemical formula in an equation
  6. burning is an example of a _______ _______
  7. the substances that undergo change in chemical reaction
Down
  1. photosynthesis is an example of an _________ _________
  2. a solid that forms from solution during a chemical reaction
  3. melting is an example of a _______ _______
  4. matter can enter from or escape to the surroundings
  5. reactant + reactant → product + product
  6. the study of matter and how matter changes

13 Clues: the ratio of elements in a compound • new substances formed by the reaction • matter is not allowed to enter or leave • reactant + reactant → product + product • melting is an example of a _______ _______ • burning is an example of a _______ _______ • the study of matter and how matter changes • matter can enter from or escape to the surroundings • ...

Chemical Reaction 2022-03-07

Chemical Reaction crossword puzzle
Across
  1. used to balance equations
  2. dissolved in water
  3. reaction that produces H2O and CO2
  4. little number indication the number of each element in a compound
  5. --> A + BC --> AC + B
  6. displacement --> AB + CD --> AD + CB
  7. changes the rate of a reaction
Down
  1. process by which substances are arranged into new substances
  2. AB --> A + B
  3. A + B --> AB
  4. type of equation that shows formulas but not relative amounts
  5. substances found at the beginning of a reaction
  6. substances produced at the end of a reaction

13 Clues: AB --> A + B • A + B --> AB • dissolved in water • --> A + BC --> AC + B • used to balance equations • changes the rate of a reaction • reaction that produces H2O and CO2 • displacement --> AB + CD --> AD + CB • substances produced at the end of a reaction • substances found at the beginning of a reaction • process by which substances are arranged into new substances • ...

dfasdf 2025-01-07

dfasdf crossword puzzle
Across
  1. Evidence of a chemical reaction, often indicating the formation of a gas.
  2. A number placed in front of a chemical formula to balance a chemical equation.
  3. A small number in a chemical formula indicating the number of atoms of an element.
  4. A substance that undergoes change during a chemical reaction.
  5. A type of chemical reaction in which two or more substances combine to form one product.
  6. A chemical reaction involving oxygen that is the process of burning.
  7. AB + CD -> AD + CB
  8. A reaction where a compound breaks down into simpler substances.
  9. The principle stating that matter is not created or destroyed in a chemical reaction.
  10. An indication that a chemical reaction when a yellow banana turns brown.
  11. A substance that is formed as a result of a chemical reaction.
Down
  1. A chemical equation in which the number of atoms for each element is equal on both sides.
  2. A reaction where one element replaces another in a compound.
  3. A term used to describe a substance dissolved in water.
  4. A solid that forms and settles out of a liquid mixture during a chemical reaction.
  5. A sign of a chemical reaction we saw with fire
  6. A process in which substances interact to form new substances.
  7. The symbol in a chemical equation that reads as yields.

18 Clues: AB + CD -> AD + CB • A sign of a chemical reaction we saw with fire • A term used to describe a substance dissolved in water. • The symbol in a chemical equation that reads as yields. • A reaction where one element replaces another in a compound. • A substance that undergoes change during a chemical reaction. • ...

Chemical Bonding and Reactions 2022-01-20

Chemical Bonding and Reactions crossword puzzle
Across
  1. A chemical bond that involves sharing a pair of electrons between atoms in a molecule
  2. A substance that slows down or stops a chemical reaction
  3. Formed when one or more electrons are transferred from one atom to another
  4. A reaction that RELEASES energy in the form of heat
  5. A chemical substance that is present at the start of a chemical reaction
  6. A negatively charged ion
  7. A positively charged ion
  8. A reaction that ABSORBS energy in the form of heat
  9. The force that holds atoms together
  10. Chemical reaction in which two or more substances combine to form a new compound
Down
  1. Substance that speeds up the rate of a chemical reaction
  2. A chemical reaction that breaks down compounds into simpler products.
  3. AB + CD --> AD + CB
  4. A reaction between an acid and a base
  5. Two or more atoms held together by chemical bonds
  6. A + BC --> AC + B
  7. A substance produced in a chemical reaction
  8. A reaction of a substance with oxygen to give heat and light
  9. Two or more different elements chemically combined

19 Clues: A + BC --> AC + B • AB + CD --> AD + CB • A negatively charged ion • A positively charged ion • The force that holds atoms together • A reaction between an acid and a base • A substance produced in a chemical reaction • Two or more atoms held together by chemical bonds • A reaction that ABSORBS energy in the form of heat • Two or more different elements chemically combined • ...

Chemical Reaction Crossword Puzzle 2014-03-23

Chemical Reaction Crossword Puzzle crossword puzzle
Across
  1. substance made up of 2 or more different elements
  2. type of reaction involving one reactant which breaks down into 2 or more products
  3. substance which speeds up or slows down a reaction but is not part of the reaction
  4. type of reaction in which an uncombined element replaces the like ion in a compound
  5. number used to balance a chemical equation
  6. characteristics of substances, can be physical or chemical
  7. symbolic representation of a chemical reaction
  8. compound that has a H- ion
Down
  1. 2 or more substances mixed together but do not go through a chemical change
  2. type of reaction in which one of the reactants is oxygen and the products are either carbon dioxide, water, or both
  3. substance to the right of an arrow in a chemical reaction
  4. symbol in a chemical reaction used to signify a chemical reaction taking place
  5. type of reaction in which 2 compounds switch ions
  6. what we do to chemical equations in order to follow the law of conservation of mass
  7. type of reaction that involves breaking old bonds and making new ones and always results in new substance(s) being formed
  8. type of reaction involving 2 or more reactants and one product
  9. type of reaction in which one reactant has an H- ion and the other has an OH- ion and the products are salt and water
  10. pure substance made up of one type of atom
  11. substance to the left of an arrow in a chemical reaction
  12. compound that has an OH- ion

20 Clues: compound that has a H- ion • compound that has an OH- ion • pure substance made up of one type of atom • number used to balance a chemical equation • symbolic representation of a chemical reaction • substance made up of 2 or more different elements • type of reaction in which 2 compounds switch ions • substance to the left of an arrow in a chemical reaction • ...

Naming 2022-11-11

Naming crossword puzzle
Across
  1. reaction A reaction that ABSORBS energy in the form of heat
  2. reaction a reaction in which a single compound breaks down to form two or more simpler substances
  3. A substance made up of atoms of two or more different elements joined by chemical bonds
  4. A group of atoms bonded together
  5. replacement reaction a chemical change in which one element replaces a second element in a compound
  6. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  7. equation chemical equation with the same number of atoms of each element on both sides of the equation
  8. bond Formed when one or more electrons are transferred from one atom to another
  9. A substance produced in a chemical reaction
  10. a word, letter, or number placed before another.
  11. A word or letter placed after the root.
  12. compound a chemical compound formed by the sharing of electrons
Down
  1. reaction A reaction that releases energy in the form of heat
  2. bond A chemical bond that involves sharing a pair of electrons between atoms in a molecule
  3. word main part of a word; prefixes and suffixes are added to this word
  4. equation A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  5. A number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound.
  6. ion an ion made of two or more atoms
  7. reaction a reaction in which two or more substances combine to form a new compound
  8. A chemical substance that is present at the start of a chemical reaction
  9. of Conservation of Mass the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes
  10. energy A form of potential energy that is stored in chemical bonds between atoms.
  11. replacement reaction a chemical change that involves an exchange of positive ions between two compounds
  12. compound a compound composed of positive and negative ions

24 Clues: A group of atoms bonded together • ion an ion made of two or more atoms • A word or letter placed after the root. • A substance produced in a chemical reaction • a word, letter, or number placed before another. • compound a compound composed of positive and negative ions • reaction A reaction that ABSORBS energy in the form of heat • ...

Chemical Reaction Review 2022-06-01

Chemical Reaction Review crossword puzzle
Across
  1. letters and numbers showing the types and number of atoms that repeat to makeup a substance
  2. a group of atoms joined together in a particular way
  3. substances have different properties
  4. or easier to see
  5. something that is made of all the same atoms or groups of atoms
  6. an ending substance that is made during a chemical reaction
  7. the temperature at which a substance changes from the solid phase to the liquid phase
  8. a substance that is added to soil to help plants grow
  9. small scale to view atoms
  10. the relative size of things
  11. Groups of atoms repeat to make up a _____
Down
  1. a structure formed by repeating groups of atoms linked together in a large network
  2. to change the order or position of something
  3. the temperature at which a substance changes from the liquid phase to the gas phase
  4. a starting substance that is part of a chemical reaction
  5. an object, diagram, or computer program that helps us understand something by making it
  6. a process in which atoms rearrange to form new substances
  7. able to cause damage
  8. something that can be observed about a substance, such as color, smell, or boiling point
  9. large scale
  10. the tiny pieces that all matter—all the stuff in the world—is made of

21 Clues: large scale • or easier to see • able to cause damage • small scale to view atoms • the relative size of things • substances have different properties • Groups of atoms repeat to make up a _____ • to change the order or position of something • a group of atoms joined together in a particular way • a substance that is added to soil to help plants grow • ...

Chemical Reactions Terms 2014-03-16

Chemical Reactions Terms crossword puzzle
Across
  1. Bitter chemical with a pH bigger then 7
  2. Sour chemical with a pH less then 7
  3. A reaction with oxygen producing CO2
  4. What you end up with after a chemical reaction
  5. A reaction where the product is bigger then the reactant
  6. A compound made from a metal and a non metal
  7. A reaction where one element is changed
  8. When a new substance is formed
  9. A scale that shows how acidic or basic something is
  10. A compound made from two non metals
  11. A reaction where an acid and base cancel out
  12. An electron in the outer shell of an atom
  13. A chemical that changes colour in an acid or base
Down
  1. What you start with in a chemical reaction
  2. A reaction where the product is smaller
  3. A reaction where two elements changed
  4. An atom that wants electrons
  5. An atom that wants to loose electrons
  6. A number before a chemical symbol
  7. A chemical equation showing quantity
  8. A chemical equation using words

21 Clues: An atom that wants electrons • When a new substance is formed • A chemical equation using words • A number before a chemical symbol • Sour chemical with a pH less then 7 • A compound made from two non metals • A reaction with oxygen producing CO2 • A chemical equation showing quantity • A reaction where two elements changed • An atom that wants to loose electrons • ...

Chemical Reactions Terms 2014-03-16

Chemical Reactions Terms crossword puzzle
Across
  1. A chemical equation using names
  2. A chemical equation showing quantity
  3. What you start with in a chemical reaction
  4. A reaction where one element is changed
  5. A reaction where the product is bigger then the reactant
  6. A compound made from two non metals
  7. A reaction where the product is smaller
  8. A number before a chemical symbol
  9. A compound made from a metal and a non metal
  10. An electron in the outer shell of an atom
Down
  1. A scale that shows how acidic or basic something is
  2. A reaction where two elements changed
  3. An atom that wants electrons
  4. An atom that wants to loose electrons
  5. When a new substance is formed
  6. A reaction where an acid and base cancel out
  7. A chemical that changes colour in an acid or base
  8. A reaction with oxygen producing CO2
  9. Bitter chemical with a pH bigger then 7
  10. Sour chemical with a pH less then 7
  11. What you end up with after a chemical reaction

21 Clues: An atom that wants electrons • When a new substance is formed • A chemical equation using names • A number before a chemical symbol • A compound made from two non metals • Sour chemical with a pH less then 7 • A chemical equation showing quantity • A reaction with oxygen producing CO2 • A reaction where two elements changed • An atom that wants to loose electrons • ...

Counting & Balancing Equations 2025-11-17

Counting & Balancing Equations crossword puzzle
Across
  1. A type of reaction in which one or more elements switch places with another across a chemical reaction.
  2. Chemical ______ occur when chemical bonds are formed or broken.
  3. A reaction in which heat is produced as a result of the reaction taking place.
  4. A reaction in which heat is absorbed in order to have the reaction take place.
  5. The materials written at the beginning of a reaction are called the?
  6. A whole number written in front of an element or a molecule to indicate how many.
  7. The Law of _______ says matter cannot be created or destroyed, only changed.
  8. A type of chemical compound that only contains non-metals.
  9. A number written below an elemental symbol used to indicate how many of that element are in the compound.
Down
  1. A type of chemical reaction that occurs when elements combine to form something new.
  2. If a chemical reaction has an equal number of atoms on each side of the equation it is considered?
  3. A type of chemical reaction that occurs when a compound breaks down into parts.
  4. Written as an arrow in a chemical reaction to show how a reactant changes into a product.
  5. The material(s) the chemical reaction produces.
  6. type of change that turns the material into a new substance.
  7. A type of compound that contains a metal.
  8. A chemical reaction occurs when chemical bonds are formed or ______.
  9. There should always be the ____ number of atoms on each side of a chemical equation.

18 Clues: A type of compound that contains a metal. • The material(s) the chemical reaction produces. • A type of chemical compound that only contains non-metals. • type of change that turns the material into a new substance. • Chemical ______ occur when chemical bonds are formed or broken. • The materials written at the beginning of a reaction are called the? • ...

Chemical Reactions Review Crossword 2023-12-09

Chemical Reactions Review Crossword crossword puzzle
Across
  1. Melting and crushing are ____ changes
  2. Reaction that feels cool
  3. Substances that get changed during a chemical reaction
  4. Cooling will make a reaction go ____
  5. Add this to speed up a reaction
  6. Must break during a chemical reaction
  7. Make this higher to speed up a reaction
  8. Substance that makes a reaction go faster
Down
  1. Solid that forms from a liquid during a chemical reaction
  2. Form when gas is created during a chemical reaction
  3. Rusting and photosynthesis are _____ changes
  4. Formed when one substance dissolves into another
  5. Crushing a substance will increase this and speed up a reaction
  6. Endothermic reactions absorb this from the environment
  7. Agitating will make a reaction go ____
  8. New substances that are created in a chemical reaction
  9. Physical change where liquid becomes gas
  10. Reaction that produces heat or light

18 Clues: Reaction that feels cool • Add this to speed up a reaction • Cooling will make a reaction go ____ • Reaction that produces heat or light • Melting and crushing are ____ changes • Must break during a chemical reaction • Agitating will make a reaction go ____ • Make this higher to speed up a reaction • Physical change where liquid becomes gas • ...

Chemical Reaction Crossword 2014-08-18

Chemical Reaction Crossword crossword puzzle
Across
  1. the process where your body gains energy in order to break down glucose
  2. what is the chemical substance called that's formed is a chemical reaction?
  3. chemical reactions that give out heat energy are called..
  4. this describes a chemical that wears away the surface of substances
  5. the substances that changes when it reacts with acids or bases
  6. the name given to compounds that only contain hydrogen and oxygen
  7. bases that dissolve in water
  8. a safety wire that melts when to much current flows through it
  9. a chemical which reacts to a base to produce a salt and water is..
  10. preserving food by placing it in vinegar
  11. a very explosive substance is called..
Down
  1. a device that changes alternating current to direct currant
  2. the name of the fuel used in jet aircrafts
  3. a reaction between an acid and a base
  4. chemical reactions that absorb heat energy are called..
  5. the major component in petrol
  6. a chemical reaction where a substance reacts with oxygen and heat is released
  7. chemical reaction involving the loss of electrons in substances
  8. what is the original substances in a chemical reaction called?
  9. a substance that is burned in order to release energy

20 Clues: bases that dissolve in water • the major component in petrol • a reaction between an acid and a base • a very explosive substance is called.. • preserving food by placing it in vinegar • the name of the fuel used in jet aircrafts • a substance that is burned in order to release energy • chemical reactions that absorb heat energy are called.. • ...

Chemical Reaction crossword 2020-04-23

Chemical Reaction crossword crossword puzzle
Across
  1. consisting of one atom
  2. a pure substance
  3. relating to or consisting of molecules
  4. (of a letter, figure, or symbol) written or printed below the line
  5. atoms cannot be created or destroyed in a chemical reaction
  6. atoms that are further apart and can slide past each other
  7. dull, and right side of the staircase
  8. the process of burning something
  9. a process that involves rearrangement of the molecular or ionic structure of a substance
Down
  1. dissolvable on water
  2. a multiplier or factor that measures some property
  3. symbolic representation of a chemical reaction in the form of symbols and formulae
  4. atoms that are far apart and barely touch each other
  5. two or more types of elements combined chemically
  6. shiny, and on the left side of the staircase
  7. what comes out from a reaction
  8. atoms close together and cannot move apart
  9. what goes into a reaction
  10. consisting of two atoms
  11. helps speed up chemical reactions

20 Clues: a pure substance • dissolvable on water • consisting of one atom • consisting of two atoms • what goes into a reaction • what comes out from a reaction • the process of burning something • helps speed up chemical reactions • dull, and right side of the staircase • relating to or consisting of molecules • atoms close together and cannot move apart • ...

The crossword 2022-03-21

The crossword crossword puzzle
Across
  1. The amount of one material in a certain volume of another material
  2. change- Changes the physical appearance but not the actually substance
  3. Property- A characteristic of a substance that can be observed
  4. System- Matter can enter or escape the system
  5. System- No matter is allowed to enter or leave
  6. Property- The ability to change into different substances
  7. Anything that has mass or occupies space.
  8. reaction- A reaction that absorbs energy in the form of heat.
  9. Two or more substances combine to form a new substance.
  10. A rapid reaction between oxygen and fuel that results in a fire.
  11. energy- The minimum amount of energy needed.
  12. Releases energy when it burns.
Down
  1. How many atoms or molecules are represented in a reaction
  2. When one element replaces another.
  3. reaction- Substances undergo chemical changes that result in a new substance
  4. A solid that forms from a solution during a chemical reaction
  5. Equation- A short easy was to show a chemical reaction using symbols
  6. of mass- Matter isn’t created or destroyed during a chemical reaction
  7. A chemical that breaks down into simpler substances.
  8. A material that increases the rate of reaction
  9. The studies of properties of matter and how matter changes.
  10. reaction- A reaction that releases energy in the form of heat.
  11. A substance that enters into a chemical reaction
  12. The result of a chemical reaction

24 Clues: Releases energy when it burns. • The result of a chemical reaction • When one element replaces another. • Anything that has mass or occupies space. • energy- The minimum amount of energy needed. • System- Matter can enter or escape the system • System- No matter is allowed to enter or leave • A material that increases the rate of reaction • ...

Characteristics of Chemical Reactions 2024-01-23

Characteristics of Chemical Reactions crossword puzzle
Across
  1. A substance that takes part in and undergoes change during a reaction.
  2. A substance produced during a chemical reaction
  3. There are ___ chemical reactions.
  4. A chemical reaction that releases heat
  5. Method or means of changing one or more chemicals or chemical compounds.
  6. A chemical reaction that absorbs heat
  7. A substance that takes part in and undergoes change during a reaction
  8. A solid that forms from a solution during a chemical reaction.
  9. An unexpected change in _______ is a sign that a chemical reaction may have occurred.
  10. Substance(s) produced during a chemical reaction.
  11. Average kinetic energy of all the particles in a material; measured by a thermometer in degrees(usually Celsius or Fahrenheit)
  12. Chemical formulas and symbols written to represent a reaction; (reactants) →(products).
  13. Substances giving off a smell, or _______, while being combined is also an indicator of a chemical reaction.
  14. A change in a substance that does not involve a change in the identity of the substance
Down
  1. Physical and chemical characteristics of matter used to describe or identify a substance.
  2. Smallest particle of an element
  3. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction
  4. The process by which one or more substances change to produce one or more different
  5. Increase or decrease and the production of light are both signs that a chemical reaction may have occurred.
  6. A substance made up of atoms of two or more different elements joined by chemical bonds
  7. A combination of chemical symbols and numbers to represent a substance
  8. Distinct forms of matter known in everyday experience: include solid, liquid, and gas; also referred to as phases
  9. two or more atoms held together by chemical bonds
  10. A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound.

24 Clues: Smallest particle of an element • There are ___ chemical reactions. • A chemical reaction that absorbs heat • A chemical reaction that releases heat • A substance produced during a chemical reaction • two or more atoms held together by chemical bonds • Substance(s) produced during a chemical reaction. • A solid that forms from a solution during a chemical reaction. • ...

Chemical Reactions and Equations 2024-05-30

Chemical Reactions and Equations crossword puzzle
Across
  1. The gradual destruction of metals by chemical reactions with the environment.
  2. A reaction where a substance combines with oxygen, releasing energy.
  3. A reaction that releases energy in the form of heat.
  4. A substance that speeds up a chemical reaction without being consumed.
  5. A reaction between an acid and a base to form salt and water.
  6. A solution in which the solvent is water.
  7. The number placed before a formula in a chemical equation to balance it.
  8. A process involving the gain of electrons.
  9. A type of chemical equation where the number of atoms for each element is equal on both sides.
  10. A reaction that absorbs energy.
  11. A representation of a chemical reaction using symbols and formulas.
  12. A reaction where two or more substances combine to form a single substance.
Down
  1. A process of decomposing a substance using electricity.
  2. A solid formed from a reaction in a solution.
  3. The substances formed in a chemical reaction.
  4. A reaction where a single compound breaks down into two or more simpler substances.
  5. A reaction where one element replaces another in a compound.
  6. The starting materials in a chemical reaction.
  7. A type of change that produces a new substance.
  8. A process involving the loss of electrons.

20 Clues: A reaction that absorbs energy. • A solution in which the solvent is water. • A process involving the loss of electrons. • A process involving the gain of electrons. • A solid formed from a reaction in a solution. • The substances formed in a chemical reaction. • The starting materials in a chemical reaction. • A type of change that produces a new substance. • ...

Chemistry 2022-03-21

Chemistry crossword puzzle
Across
  1. A number in front of a chemical formula
  2. A solid that forms from a solution during a chemical reaction
  3. Easy way to show a chemical reaction, using symbols
  4. Biological catalyst that lowers the activation energy of reaction in cells
  5. Material the decreases the rate of a reaction
  6. Study of the properties of matter and how it changes
  7. A substance that enters into a chemical reaction
  8. Process in which a substances undergo chemical changes that result in new substances
  9. System in which matter can enter and exit into the surroundings
  10. Principle stating that matter is not created or destroyed during a chemical reaction
  11. Chemical reaction in which two or more simple substances form a complex substance
  12. Reaction in which one element replaces another in a compound
Down
  1. A reaction that absorbs energy in the form of heat
  2. Anything that has mass and takes up space
  3. Change that alters the appearance of a material that doesn’t change the material into a different substance
  4. Minimum amount of energy needed to get a chemical reaction started
  5. A reaction that releases energy in the form of heat
  6. Chemical reaction that breaks down compound into simpler products
  7. Characteristic of a substance that describes its ability to change into different substances
  8. Amount of one material in a certain volume of another material
  9. A rapid reaction between oxygen and fuel that results in a fire
  10. A material that releases energy when it is burned
  11. System in which no matter is allowed to enter of exit
  12. Characteristic of a substance that can be seen without changing the substance
  13. A substance formed as a result of a chemical reaction
  14. Material that increases the rate of a reaction by lowering the activation energy

26 Clues: A number in front of a chemical formula • Anything that has mass and takes up space • Material the decreases the rate of a reaction • A substance that enters into a chemical reaction • A material that releases energy when it is burned • A reaction that absorbs energy in the form of heat • A reaction that releases energy in the form of heat • ...

Counting & Balancing Equations 2025-11-17

Counting & Balancing Equations crossword puzzle
Across
  1. A reaction in which heat is produced as a result of the reaction taking place.
  2. A type of chemical compound that only contains non-metals.
  3. A reaction in which heat is absorbed in order to have the reaction take place.
  4. A type of chemical reaction that occurs when elements combine to form something new.
  5. A type of reaction in which one or more elements switch places with another across a chemical reaction.
  6. A number written below an elemental symbol used to indicate how many of that element are in the compound.
  7. Chemical ______ occur when chemical bonds are formed or broken.
Down
  1. A whole number written in front of an element or a molecule to indicate how many.
  2. If a chemical reaction has an equal number of atoms on each side of the equation it is considered?
  3. The materials written at the beginning of a reaction are called the?
  4. A type of compound that contains a metal.
  5. Written as an arrow in a chemical reaction to show how a reactant changes into a product.
  6. The Law of _______ says matter cannot be created or destroyed, only changed.
  7. A chemical reaction occurs when chemical bonds are formed or ______.
  8. type of change that turns the material into a new substance.
  9. There should always be the ____ number of atoms on each side of a chemical equation.
  10. A type of chemical reaction that occurs when a compound breaks down into parts.
  11. The material(s) the chemical reaction produces.

18 Clues: A type of compound that contains a metal. • The material(s) the chemical reaction produces. • A type of chemical compound that only contains non-metals. • type of change that turns the material into a new substance. • Chemical ______ occur when chemical bonds are formed or broken. • The materials written at the beginning of a reaction are called the? • ...

Terminology 2025-01-31

Terminology crossword puzzle
Across
  1. A chemical process in which an atom or molecule gains electrons, often associated with a decrease in oxidation state.
  2. A numerical factor in a chemical equation that indicates the number of molecules or moles of a substance involved in the reaction.
  3. Substances that undergo a chemical change in a reaction; they are present at the beginning of the reaction.
  4. A chemical reaction in which one element replaces another in a compound.
  5. Notations used in chemical equations to indicate the physical state of the substances involved (e.g., (s) for solid, (l) for liquid, (g) for gas, (aq) for aqueous solution).
  6. A type of chemical reaction in which two or more simple substances combine to form a more complex product.
  7. A chemical reaction that occurs when a substance reacts rapidly with oxygen, producing heat and light; typically involves hydrocarbons.
  8. A unit used in chemistry to measure the amount of a substance; one mole contains approximately 6.022 \times 10^{23} particles (atoms, molecules, etc.).
  9. A chemical equation in which the number of atoms of each element is equal on both sides of the equation, satisfying the law of conservation of mass.
  10. A type of chemical reaction in which a complex substance breaks down into simpler products.
Down
  1. A chemical reaction in which the ions of two compounds exchange places in an aqueous solution to form two new compounds.
  2. A fundamental principle stating that mass is neither created nor destroyed in a chemical reaction; the total mass of reactants equals the total mass of products.
  3. A symbolic representation of a chemical reaction, showing the reactants and products along with their quantities.
  4. A chemical process in which an atom or molecule loses electrons, often associated with an increase in oxidation state.
  5. Substances formed as a result of a chemical reaction; they are present at the end of the reaction.
  6. A substance that increases the rate of a chemical reaction without being consumed in the process.
  7. A type of chemical reaction that releases heat to its surroundings, resulting in an increase in temperature.
  8. The calculation of reactants and products in chemical reactions based on the balanced chemical equation.
  9. A small number written after an element's symbol in a chemical formula that indicates the number of atoms of that element in a molecule.
  10. A type of chemical reaction that absorbs heat from its surroundings, resulting in a decrease in temperature.

20 Clues: A chemical reaction in which one element replaces another in a compound. • A type of chemical reaction in which a complex substance breaks down into simpler products. • A substance that increases the rate of a chemical reaction without being consumed in the process. • ...

Chemical Interactions Vocabulary 2022-03-21

Chemical Interactions Vocabulary crossword puzzle
Across
  1. the amount of one material in a certain volume of another material
  2. - a material that decreases the rate of a reaction
  3. anything that has mass and takes up space
  4. a reaction that releases energy in the form of heat
  5. a system in which matter can enter or leave to the surroundings
  6. the min. amount of energy needed to get a chemical reaction started
  7. a physical trait of a substance
  8. solid that forms from a solution during a chemical reaction
  9. the process when substances undergo chemical changes to turn into a new substance
  10. equation- a short/easy way to show a chemical reaction, using symbols
  11. a substance that formed as a result of a chemical reaction
  12. a system in which no matter is allowed to enter or leave
  13. - a rapid reaction between oxygen and fuel that results in fire.
  14. a property of a chemical/ can change
Down
  1. a number in front of a chemical formula; tells how many atoms of each reactant and product are involved in a reaction
  2. of mass- the principle stating that matter is not creator or destroyed during a chemical reaction
  3. - a reaction in which 1 element replaces another in a compound or when 2 elem. in a different compound trade places.
  4. study of properties of matter/how it changes
  5. a reaction that absorbs energy in the form of heat
  6. a chemical reaction that breaks down compounds into simpler products
  7. - a chemical reaction with 2 or more simple substances combine to form a new, complex substance.
  8. a material that increases the rate of a reaction by lowering the activation energy
  9. a material that releases energy when it burns.
  10. -a biological catalyst that lowers the activation energy of reactions in cells
  11. - a substance that enters into a chemical reaction
  12. changes the look w/o becoming a new substance

26 Clues: a physical trait of a substance • a property of a chemical/ can change • anything that has mass and takes up space • study of properties of matter/how it changes • changes the look w/o becoming a new substance • a material that releases energy when it burns. • - a material that decreases the rate of a reaction • a reaction that absorbs energy in the form of heat • ...

Chemical reactions 2023-11-16

Chemical reactions crossword puzzle
Across
  1. matter that can escape or enter
  2. A solid that forms from liquid during a chemical reaction
  3. change in form only
  4. The Minimum amount of energy needed to start a chemical reaction
  5. the amount of a substance in a given volume
  6. Substances that undergo the chemical change
  7. reaction where energy is absorbed
  8. The cells in that contain thousands of biological catalysts
  9. tells what happens in a chemical reaction
Down
  1. occurs when compounds break down into simpler products
  2. If two elements in different compounds trade places
  3. The number placed in front of a chemical formula in a equation
  4. Substances that forms in a chemical reaction
  5. change that results in new products
  6. When two or more elements or compounds combine to make a more complex substance
  7. Describes the rate of a chemical change reaction
  8. of conservation of mass
  9. reaction where energy is released
  10. matter that dose not leave or enter
  11. Increases the reaction rate

20 Clues: change in form only • of conservation of mass • Increases the reaction rate • matter that can escape or enter • reaction where energy is released • reaction where energy is absorbed • change that results in new products • matter that dose not leave or enter • tells what happens in a chemical reaction • the amount of a substance in a given volume • ...

List 3 Vocabular Terms-Spring 2024-02-23

List 3 Vocabular Terms-Spring crossword puzzle
Across
  1. energy needed to start a chemical reaction
  2. the ability to do work
  3. potential energy for chemical reactions
  4. molecule that competes for the active site on an enzyme
  5. inorganic molecules that aid enzymes in chemical reactions
  6. substances that are made in a chemical reaction
  7. molecules that join to the allosteric site and prevent substrates from joining the enzyme
  8. organic molecules that aid enzymes in chemical reactions
  9. indention on an enzyme where the substrate attaches
Down
  1. energy that matter possesses as a result of location or structure
  2. a biological catalyst that speeds up a chemical reaction
  3. chemical reaction that absorbs energy
  4. energy of motion
  5. measure of disorder or randomness in the universe
  6. molecules that are inorganic and speed up a chemical reaction
  7. chemical reaction that releases heat
  8. reactants in an enzyme-catalyzed reaction
  9. substance that is changed in a chemical reaction

18 Clues: energy of motion • the ability to do work • chemical reaction that releases heat • chemical reaction that absorbs energy • potential energy for chemical reactions • reactants in an enzyme-catalyzed reaction • energy needed to start a chemical reaction • substances that are made in a chemical reaction • substance that is changed in a chemical reaction • ...

Chemical Reaction Concepts 2013-12-11

Chemical Reaction Concepts crossword puzzle
Across
  1. chemical reaction that occurs when a single compound breaks down
  2. the starting substance in a chemical reaction
  3. chemical reaction that occurs when a substancereacts with oxygen,releasing energy in the form of heat and light
  4. solid produced in a chemical reaction in a solutuion
  5. ion does not participate in a reaction
  6. when the atoms of one element replace the atoms of another element
  7. sodium and chlorine
  8. one or more substances dissolved in a solution
  9. the number written in front of a reactant or product
  10. equation shows all the particles in a solution as they exist
  11. dissolves a solute to form a solution
Down
  1. a solution in which the solvent is water
  2. this involves the exchange of ions between 2 components and produces precipitate, gas or water
  3. latin word meaning to burn
  4. the process by which the atoms of one or more substances are rearranged to form different substances
  5. scientist who studies the chemical process of living organisms
  6. a chemical reaction which 2 or more substances react to yield a single product
  7. a substance formed during a chemical reaction
  8. a statement using chemical formulas
  9. ionic includes only the particles that participate in the reaction

20 Clues: sodium and chlorine • latin word meaning to burn • a statement using chemical formulas • dissolves a solute to form a solution • ion does not participate in a reaction • a solution in which the solvent is water • the starting substance in a chemical reaction • a substance formed during a chemical reaction • one or more substances dissolved in a solution • ...

Chemical Reaction Crossword 2013-12-18

Chemical Reaction Crossword crossword puzzle
Across
  1. takes up space
  2. when reaction complete
  3. material release energy when burned
  4. substance you have to begin with
  5. chemist uses to control rates
  6. make or become different
  7. the formula of a form
  8. energy releases
  9. # placed in front of chemical formula
  10. two or more elements
  11. used to decrease rate of reaction
  12. cells in body contain biological catalysts
Down
  1. 2 elements in different compounds trade spots
  2. material increases rate of reaction
  3. breaks down compounds
  4. attraction between 2 atoms
  5. solid forms solution during chemical reaction
  6. energy not absorbed
  7. rapid reaction between oxygen & substance
  8. study of matter and how it changes

20 Clues: takes up space • energy releases • energy not absorbed • two or more elements • breaks down compounds • the formula of a form • when reaction complete • make or become different • attraction between 2 atoms • chemist uses to control rates • substance you have to begin with • used to decrease rate of reaction • study of matter and how it changes • material release energy when burned • ...

C6 & C7 Crossword 2024-12-11

C6 & C7 Crossword crossword puzzle
Across
  1. Released or absorbed during chemical reactions, measured in joules.
  2. Measure of acidity or alkalinity of a solution.
  3. Law stating mass is neither created nor destroyed in a chemical reaction.
  4. Reaction where products can react to form the original reactants.
  5. Representation of a chemical reaction, showing numbers of reactants and products.
  6. Unit of energy.
  7. Type of energy stored in bonds of substances.
  8. Reaction where a substance gains oxygen.
  9. Reaction between an acid and a base, typically releasing energy.
  10. Exothermic reaction where a substance reacts with oxygen to release energy.
  11. Measure of how quickly a chemical reaction occurs.
  12. Substance that speeds up a reaction without being used up.
Down
  1. Reaction where a more reactive element replaces a less reactive one.
  2. During a reaction, some energy is always transferred/dissipated to the the...
  3. Substances formed as a result of a chemical reaction.
  4. Reaction that absorbs energy from the surroundings.
  5. State in a reversible reaction where forward and reverse rates are equal.
  6. Force that holds atoms together in a molecule.
  7. Reaction that releases energy to the surroundings, often as heat.
  8. Process where substances are transformed into different substances.
  9. Substances that start a chemical reaction.
  10. Type of energy related to temperature and heat.
  11. Minimum energy needed for a reaction to start.
  12. Reaction where a substance loses oxygen or gains electrons.
  13. A measure of the average kinetic energy of particles.

25 Clues: Unit of energy. • Reaction where a substance gains oxygen. • Substances that start a chemical reaction. • Type of energy stored in bonds of substances. • Force that holds atoms together in a molecule. • Minimum energy needed for a reaction to start. • Measure of acidity or alkalinity of a solution. • Type of energy related to temperature and heat. • ...

8 Matter and Energy U4 L1 Chemical Reactions 2025-04-22

8 Matter and Energy U4 L1 Chemical Reactions crossword puzzle
Across
  1. Properties of a substance involved in a chemical reaction result in ____ properties than the original substance
  2. This is an example of Endothermic reaction
  3. This is a chemical reaction when energy is released
  4. Each element has its own chemical ____
  5. reaction This is a chemical reaction that requires input of energy
  6. When ____ ____ ____ you must make sure the reactants and products contain the same number of atoms of each element
  7. This uses chemical symbols and numbers to represent a given substance ____
  8. Changes in ____ are part of all chemical reactions
  9. Chemical reactions can either ____ ____ ____ energy
Down
  1. During a chemical reaction bonds may be ____ ____ ____
  2. Substances are described before or after a reaction by their ____
  3. This describes how fast a chemical reaction occurs
  4. This is an expression that uses symbols to show the relationship between the starting substance and the substance that are produced by a chemical reaction ____ ____
  5. This is a number that is placed in front of a chemical formula
  6. This is an example of an exothermic reaction
  7. This is the process in which atoms are rearranged to produce new substances ____ ____
  8. This is the number written below and to the right of a chemical symbol on the periodic table
  9. The subscript tells you how many of each type of atom are in a ____
  10. ____ subscripts in a chemical formula of a compound would change the identity of the complound

19 Clues: Each element has its own chemical ____ • This is an example of Endothermic reaction • This is an example of an exothermic reaction • This describes how fast a chemical reaction occurs • Changes in ____ are part of all chemical reactions • This is a chemical reaction when energy is released • Chemical reactions can either ____ ____ ____ energy • ...

Chemical Reaction 2023-04-10

Chemical Reaction crossword puzzle
Across
  1. something that can be observed about a substance, such as color, smell, or boiling point
  2. an ending substance that is made during a chemical reaction
  3. a process in which atoms rearrange to form new substances
  4. a group of atoms joined together in a particular way
  5. to change the order or position of something
  6. something that is made of all the same atoms or groups of atoms
Down
  1. letters and numbers showing the types and number of atoms that repeat to make up a substance
  2. structure a structure formed by repeating groups of atoms linked together in a large network
  3. the tiny pieces that all matter—all the stuff in the world—is made of
  4. point the temperature at which a substance changes from the liquid phase to the gas phase
  5. a starting substance that is part of a chemical reaction
  6. able to cause damage extended structure

12 Clues: able to cause damage extended structure • to change the order or position of something • a group of atoms joined together in a particular way • a starting substance that is part of a chemical reaction • a process in which atoms rearrange to form new substances • an ending substance that is made during a chemical reaction • ...

Chapter 18 & 19 Vocab 2016-05-16

Chapter 18 & 19 Vocab crossword puzzle
Across
  1. reactant a reactant that is not completely used up in a chemical reaction
  2. rate the change in concentration of reactant or products in a chemical reaction over time
  3. equilibrium the state at which the rate of the forward reaction equals the rate of the reverse reaction for a chemical reaction
  4. reaction an endothermic reaction that occurs when an ionic compound dissolves in water to make an ionic solution
  5. describes a solution with a concentration greater than the maximum solubility
  6. to separate and disperse a solid into individual particles in the presence of a solvent
  7. a solution of two or more solids
  8. energy energy needed to break chemical bonds in the reactants to start a reaction
Down
  1. fission a nuclear reaction in which the nuclei of heavier atoms are split to make lighter atoms
  2. effect the scattering of light by the particles in a colloid
  3. describes a chemical reaction that releases more energy than it uses
  4. the reaction of an acid and a base to produce a salt and water
  5. reactant a reactant that is used up first in a chemical reaction
  6. describes a solution that has as much solute as the solvent can dissolve under the conditions
  7. a substance that produces hydroxide ions (OH-) when dissolved in water
  8. describes a chemical reaction that uses more energy than it releases
  9. scale it goes form 1 to 14 with 1 being very acidic and 14 being very basic
  10. a molecule added to a chemical reaction that increases the reaction rate without getting used up in the process
  11. molecule a molecule that does not have distinctly-charged poles
  12. percent the mass of the solute divided by the total mass of the solution multiplied by 100

20 Clues: a solution of two or more solids • effect the scattering of light by the particles in a colloid • the reaction of an acid and a base to produce a salt and water • molecule a molecule that does not have distinctly-charged poles • reactant a reactant that is used up first in a chemical reaction • describes a chemical reaction that releases more energy than it uses • ...

Chemical Reactions 2024-05-06

Chemical Reactions crossword puzzle
Across
  1. Type of reaction that absorbs heat.
  2. Resulting substance of a chemical reaction.
  3. Type of chemical reaction where two or more substances combine to form a new compound.
  4. Type of chemical reaction involving the transfer of protons.
  5. Substance that undergoes change in a chemical reaction.
  6. State in a reversible chemical reaction where the rates of the forward and reverse reactions are equal.
  7. Rapid chemical reaction between a fuel and an oxidant, typically producing heat and light.
  8. Chemical reaction involving the gain of electrons.
  9. Type of chemical reaction where a compound breaks down into simpler substances.
Down
  1. Chemical reaction where water is used to break down a compound.
  2. Type of reaction that releases heat.
  3. Solid formed in a solution during a chemical reaction.
  4. Energy Minimum amount of energy required for a chemical reaction to occur.
  5. Chemical reaction involving the loss of electrons.
  6. Substance that speeds up a chemical reaction without being consumed.

15 Clues: Type of reaction that absorbs heat. • Type of reaction that releases heat. • Resulting substance of a chemical reaction. • Chemical reaction involving the loss of electrons. • Chemical reaction involving the gain of electrons. • Solid formed in a solution during a chemical reaction. • Substance that undergoes change in a chemical reaction. • ...

chapter 5 2018-11-05

chapter 5 crossword puzzle
Across
  1. increases reaction rate by lowering activation energy
  2. solids that forms from liquids in chemical change
  3. number in front of chemical formula in equation
  4. amount of substance in given volume
  5. system matter can enter or escape
  6. two elements in different compounds trade places
  7. of conservation of mass says matter is not created or destroyed
  8. decreases the rate of chemical reaction
Down
  1. substances that undergo chemical changes
  2. compounds break down into simpler products
  3. system matter does not enter or leave
  4. equation shows chemical reaction using symbols
  5. reaction reaction that absorbs energy
  6. biological catalyst
  7. reaction reaction that releases energy
  8. two or more elements combine to form more complex compound
  9. new substances formed in chemical change
  10. energy minimum amount of energy needed to start reaction
  11. change any change that alters form or appearance

19 Clues: biological catalyst • system matter can enter or escape • amount of substance in given volume • system matter does not enter or leave • reaction reaction that absorbs energy • reaction reaction that releases energy • decreases the rate of chemical reaction • substances that undergo chemical changes • new substances formed in chemical change • ...

Integrated Science II Chapter 7 2022-11-14

Integrated Science II Chapter 7 crossword puzzle
Across
  1. a chemical reaction in which one element takes the place of another element in a compound
  2. new substances formed as the result of a chemical reaction
  3. a chemical reaction in which electrons are transferred from one reactant to another
  4. a chemical reaction that absorbs energy from its surroundings
  5. the rate at which reactants change into products over time
  6. an amount of a substance that contains approximately 6.02 x 10 particles of the substance
  7. the energy stored in chemical bonds
  8. a chemical reaction in which two or more substances react to form a single substanct
  9. a subsance that affects the rate of a chemical reaction without being used up in the reaction
  10. a chemical reaction that releases energy to its surroundings
Down
  1. the mass of one mole of a substance
  2. a chemical reaction in which a substance reacts rapidly with oxygen, often producing heat and light
  3. a chemical reaction in which a compound breaks down into two or more simpler substances
  4. a state in which the forward and reverse paths of a physical or chemical change take place at the same rate
  5. numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product
  6. a substance that undergoes change in a chemical reaction
  7. a representation of a chemical reaction in which the reactants and products are expressed as formulas
  8. a chemical reaction in which the conversion of reactants into products and the conversion of products into reactants happens at the same time

18 Clues: the mass of one mole of a substance • the energy stored in chemical bonds • a substance that undergoes change in a chemical reaction • new substances formed as the result of a chemical reaction • the rate at which reactants change into products over time • a chemical reaction that releases energy to its surroundings • ...

Chapter 5 2023-01-22

Chapter 5 crossword puzzle
Across
  1. A reaction that absorbs energy.
  2. A substance formed as a result of a chemical reaction.
  3. A change in which one or more substances combine or break apart to form new substances.
  4. A substance that enters into a chemical reaction.
  5. A short, easy way to show a chemical reaction, using symbols.
  6. A reaction in which one element replaces another in a compound or when two elements in different compounds trade places.
  7. A material that increases the rate of a reaction by lowering the activation energy.
  8. A chemical reaction in which two or more simple substances combine to form a new, more complex substance.
  9. The minimum amount of energy needed to start a chemical reaction.
  10. A chemical reaction that breaks down compounds into simpler products.
Down
  1. A reaction that releases energy, usually in the form of heat.
  2. A change that alters the form or appearance of a material but does not make the material into another substance.
  3. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  4. The principle that the total amount of matter is neither created nor destroyed during any chemical or physical change.
  5. A system in which no matter is allowed to enter or leave.
  6. A type of protein that speeds up a chemical reaction in a living thing.
  7. A system in which matter can enter from or escape to the surroundings.
  8. The amount of one material in a certain volume of another material.
  9. A solid that forms from a solution during a chemical reaction.
  10. A material that decreases the rate of a reaction.

20 Clues: A reaction that absorbs energy. • A substance that enters into a chemical reaction. • A material that decreases the rate of a reaction. • A substance formed as a result of a chemical reaction. • A system in which no matter is allowed to enter or leave. • A reaction that releases energy, usually in the form of heat. • ...

unit 3 vocabulary 2024-02-26

unit 3 vocabulary crossword puzzle
Across
  1. A compound that contains water molecules loosely bound to its structure.
  2. The ratio of the number of moles of one substance in a chemical reaction to the number of moles of another substance.
  3. The simplest whole number ratio of atoms in a compound.
  4. A type of chemical reaction where one element replaces another in a compound.
  5. A chemical reaction where a single compound breaks down into two or more simpler substances.
  6. The actual number of atoms of each element in a molecule of a compound.
  7. A solid that forms from a solution during a chemical reaction.
  8. The mass of one mole of a substance, usually expressed in grams per mole (g/mol).
  9. The substances that undergo a chemical reaction and are consumed in the process.
  10. The substances that are formed as a result of a chemical reaction.
  11. A number placed in front of a chemical formula in a balanced chemical equation to indicate the number of molecules or moles of that substance.
  12. A process that involves the rearrangement of atoms to form new substances.
Down
  1. A chemical reaction where two or more substances combine to form a new compound.
  2. A chemical reaction where a substance reacts with oxygen to produce heat and light.
  3. A symbolic representation of a chemical reaction, showing the reactants and products.
  4. of Conservation of Matter The principle that matter cannot be created or destroyed in a chemical reaction, only rearranged.
  5. The number of atoms, ions, or molecules in one mole of a substance, approximately 6.022 x 10^23.
  6. A type of chemical reaction where two compounds exchange ions to form two new compounds.
  7. The percentage by mass of each element in a compound.
  8. A unit of measurement used in chemistry to express the amount of a substance.

20 Clues: The percentage by mass of each element in a compound. • The simplest whole number ratio of atoms in a compound. • A solid that forms from a solution during a chemical reaction. • The substances that are formed as a result of a chemical reaction. • The actual number of atoms of each element in a molecule of a compound. • ...

Stoichiometry Tic-Tac-Toe Unit Project 2016-02-01

Stoichiometry Tic-Tac-Toe Unit Project crossword puzzle
Across
  1. the relation between the quantities of substances that take part in a reaction or form a compound (typically a ratio of whole integers)
  2. an uncombined element in a compound
  3. the extended version of the molecular equation
  4. the mass of one mass
  5. a chemical reaction that occurs when a single compound breaks down into two or more elements or new compounds
  6. Reaction a chemical reaction in which two compounds exchange positive ions and form two new compounds
  7. chemical equation with the same number of atoms of each element on both sides of the equation
  8. a unit of measurement that equals 6.02x10^23
  9. a process in which one or more substances, the reactants, are converted to one or more different substances, the products.
  10. the chemist that discovered the mole
  11. a representation of a chemical reaction in which the reactants and products are expressed as formula
  12. the substance that is not used up completely in a reaction
Down
  1. the elements or compounds that enter into a chemical reaction
  2. a chemical reaction in which two more substance react to produce a single product
  3. new substances formed as a result of a chemical reaction
  4. a chemical reaction in which a substance reacts rapidly with oxygen, often producing heat and light
  5. the reactant that limits the amounts of the other reactants that can combine and the amount of product that can form in a chemical reaction
  6. the relative number of moles of the substances required to produce a given amount of product in a chemical reaction
  7. A small whole number that appears in front of a formula in a balanced chemical equation
  8. the ratio of the actual yield to the theoretical yield expressed as a percent
  9. a substance that affects the rate of a chemical reaction without being used up in the reaction

21 Clues: the mass of one mass • an uncombined element in a compound • the chemist that discovered the mole • a unit of measurement that equals 6.02x10^23 • the extended version of the molecular equation • new substances formed as a result of a chemical reaction • the substance that is not used up completely in a reaction • ...

Chemical Reactions 2025-10-23

Chemical Reactions crossword puzzle
Across
  1. The law of _______ of mass states mass is neither created nor destroyed.
  2. What is a sign of a chemical reaction when baking soda and vinegar are mixed?
  3. What indicates the number of atoms of an element within a chemical formula?
  4. A change in this can show that a chemical reaction has taken place—like when a metal rusts.
  5. A change in this is often a sign of a chemical reaction, such as burning wood releasing heat.
  6. The number placed before a molecule to balance a chemical equation is called a...
  7. The type of equation that represents a chemical reaction using symbols.
  8. What is a sign of a chemical reaction when you activate a glow stick by bending it?
Down
  1. When mixing baking soda and vinegar it give off a strong ______ which is a sign of a chemical reaction.
  2. A representation of a chemical reaction using chemical formulas and symbols.
  3. The bubbles formed during a chemical reaction indicate the production of this.
  4. A solid that forms and settles out of a liquid mixture.
  5. An abbreviation for an element on the periodic table.
  6. The new substances that are formed in a chemical reaction.
  7. An equation is this when the number of atoms of each element is the same on both sides.
  8. The scientific principal that states mass is neither created nor destroyed in a chemical reaction.
  9. The original substance that reacts in a chemical reaction.
  10. A word to describe something that has undergone a chemical change.
  11. A change in color or the production of bubbles or light are indications of a chemical _______.

19 Clues: An abbreviation for an element on the periodic table. • A solid that forms and settles out of a liquid mixture. • The new substances that are formed in a chemical reaction. • The original substance that reacts in a chemical reaction. • A word to describe something that has undergone a chemical change. • ...

Chapter 6 Vocab 2013-11-19

Chapter 6 Vocab crossword puzzle
Across
  1. a substance that changes the rate of a chemical reaction without being consumed or changed significantly
  2. a reaction in which a single compound breaks down to form two or more simpler substances
  3. a type of protein that speeds up metabolic reactions in plants and animals without being permanently changed or destroyed
  4. a substance that forms in a chemical reaction
  5. reaction a chemical reaction in which heat is released to the surroundings
  6. a reaction in which one element or radical takes the place of another element or radical in a compound
  7. a substance or molecule that participates in a chemical reaction
  8. any chemical change in which one species is oxidized (loses electrons) and another species is reduced (gains electrons); also called redox reaction
  9. a state of balance in which the rate of a forward reaction equals the rate of the reverse reaction and the concentrations of products and reactants remain unchanged
  10. the oxidation reaction of an organic compound, in which heat is released
Down
  1. reaction a chemical reaction that requires heat
  2. a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  3. the process in which an electric current is used to produce a chemical reaction, such as the decomposition of water
  4. a reaction in which a gas, a solid precipitate, or a molecular compound forms from the apparent exchange of atoms or ions between two compounds
  5. the relative number of moles of the substances required to produce a given amount of product in a chemical reaction
  6. an organic group that has one or more electrons available for bonding
  7. reaction a reaction in which two or more substances combine to form a new compound
  8. a part, substance, or element that lies beneath and supports another part, substance, or element; the reactant in reactions catalyzed by enzymes
  9. energy the energy released when a chemical compound reacts to produce new compounds

19 Clues: a substance that forms in a chemical reaction • reaction a chemical reaction that requires heat • a substance or molecule that participates in a chemical reaction • an organic group that has one or more electrons available for bonding • the oxidation reaction of an organic compound, in which heat is released • ...

Chapter 9 Vocabulary 2023-01-04

Chapter 9 Vocabulary crossword puzzle
Across
  1. showed oxygen reacting and producing heat
  2. solution in which the solvent is water
  3. reaction where 2+ substances makes 1 product
  4. substance reacts with oxygen producing heat
  5. substance formed during a chemical reaction
  6. one compound breaks down into 2+ substances
  7. CFC's
  8. the # in front of a reactant or product
  9. equation showing reactions of ions in solutions
  10. studies chemical processes of living things
Down
  1. 1 element replaces atoms of another
  2. exchange of ions between 2 compounds
  3. uniform mixture having solids, liquids, or gases
  4. uses formulas to show substances in an reaction
  5. chemical reaction producing light energy
  6. substance that dissolves a solute in a solution
  7. the starting substance in a chemical reaction
  8. one or more substances dissolved in a solution
  9. uses chemical symbols to show a chemical reaction
  10. solid produced during a reaction in solution
  11. chemical combination of 2 or more diff. elements

21 Clues: CFC's • 1 element replaces atoms of another • exchange of ions between 2 compounds • solution in which the solvent is water • the # in front of a reactant or product • chemical reaction producing light energy • showed oxygen reacting and producing heat • substance reacts with oxygen producing heat • substance formed during a chemical reaction • ...

Chapter 2 Key Terms 2022-03-18

Chapter 2 Key Terms crossword puzzle
Across
  1. System A system in which no matter is allowed to enter or leave
  2. Anything that has mass and occupies space
  3. A biological catalyst that lowers the activation energy of reactions in cells
  4. Equation A short and easy way to show a chemical reaction using symbols
  5. A substance formed as a result of a chemical reaction
  6. Properties A characteristic of a substance that can be observed without changing the substance into another substance
  7. Reaction A reaction that releases energy in the form of heat
  8. A material that releases energy when it burns
  9. Properties A characteristic of a substance that describes it ability to change into different substances
  10. The amount of one material in a certain volume of another material
  11. A substance that enters into a chemical reaction
  12. A rapid reaction between oxygen and fuel that results in fire
  13. A material that decrease the rate of the reaction
Down
  1. A reaction in which one element replaces another in a compound or when two elements in different compounds trade places
  2. A chemical reaction that breaks down compounds into simpler products
  3. A number in front of a chemical formula in an equation that indicate how many molecules or atoms of each reactant and product involved in a reaction
  4. A solid that forms from a solution during a chemical reaction
  5. System A system in which matter can enter from or escape to the surroundings
  6. Change A change that alters the form or appearance of a material but does not change the material
  7. Energy The minimum amount of energy needed to get a chemical reaction started.
  8. Reaction A reaction that absorbs energy in the form of heat
  9. of Mass The principle stating that matter is not created or destroyed by a chemical reaction
  10. A material that increases the rate of a reaction by lowering the activation energy
  11. The study of the properties of matter and how matter changes
  12. A chemical reaction in which two or more simple substances combine to form one or more complex substances
  13. Reaction The process by which substances undergo chemical changes that result in new substances

26 Clues: Anything that has mass and occupies space • A material that releases energy when it burns • A substance that enters into a chemical reaction • A material that decrease the rate of the reaction • A substance formed as a result of a chemical reaction • Reaction A reaction that absorbs energy in the form of heat • ...

Chapter 5 vocabulary 2020-02-19

Chapter 5 vocabulary crossword puzzle
Across
  1. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  2. system A system in which no matter is allowed to enter or leave.
  3. A reaction in which one element replaces another in a compound or when two elements in different compounds trade places.
  4. A solid in which the atoms arranged in a pattern that repeats again and again.
  5. A substance formed as a result of a chemical reaction.
  6. A chemical reaction that breaks down compounds into simpler products.
  7. reaction A reaction that absorbs energy.
  8. A type of protein that spreads up a chemical reaction in a living thing a biological catalyst.
  9. A material that decreases the rate of a reaction.
  10. conservation mass The principle that the total amount of matter is neither created nor destroyed during any chemical or physical change.
Down
  1. equation A short easy way shows a chemical reaction using symbols.
  2. The amount of one material in a certain volume of another material.
  3. system A system in which can enter from or escape to the surroundings.
  4. reaction A reaction that releases energy usually in the form of heat.
  5. A solid that forms a solution during a chemical reaction.
  6. A chemical reaction in which two or more simple substances combine to form new more complex substances.
  7. energy The minimum amount of energy needed to start a chemical reaction.
  8. A Substance that enters into a chemical reaction.
  9. change A change in which one or more substances combine or break apart to new substance.
  10. change A change that alters the form or appearance of material but does not make the material into another substance.

20 Clues: reaction A reaction that absorbs energy. • A Substance that enters into a chemical reaction. • A material that decreases the rate of a reaction. • A substance formed as a result of a chemical reaction. • A solid that forms a solution during a chemical reaction. • system A system in which no matter is allowed to enter or leave. • ...

chemical reaction vocab 2018-02-21

chemical reaction vocab crossword puzzle
Across
  1. postive charged ion
  2. formed by oppistley charged ions
  3. sharing of electrons
  4. substance
  5. colorless oderless gas
  6. deformable
  7. pressed permanently
  8. two or more elements
  9. attached
  10. atomic structure
Down
  1. seperation from negative to positive
  2. conserved propertiy
  3. taking place of molecule
  4. rule
  5. interation
  6. action performed
  7. dot diagram
  8. equal
  9. negative charged ion

19 Clues: rule • equal • attached • substance • interation • deformable • dot diagram • action performed • atomic structure • postive charged ion • conserved propertiy • pressed permanently • sharing of electrons • two or more elements • negative charged ion • colorless oderless gas • taking place of molecule • formed by oppistley charged ions • seperation from negative to positive

Frederick Allen's Crossword 2017-02-27

Frederick Allen's Crossword crossword puzzle
Across
  1. a charged chemical species (ion) composed of two or more atoms covalently bonded
  2. consisting of two atoms.
  3. Compound: a chemical compound that contains exactly two different elements.
  4. pertaining to, related to, similar to, or dissolved in water.
  5. a chemical reaction chemical that occurs between a fuel and an oxidizing agent that produces energy, usually in the form of heat and light.
  6. chemical decomposition produced by passing an electric current through a liquid or solution containing ions.
  7. the process or result of oxidizing or being oxidized.
  8. a numerical measure of a physical or chemical property that is constant for a system under specified conditions.
  9. a substance that takes part in and undergoes change during a reaction.
Down
  1. a product is a substance that is formed as the result of a chemical reaction.
  2. A half-reaction in which a chemical species decreases its oxidation number, usually by gaining electrons
  3. A synthesis reaction or direct combination reaction is one of the most common types of chemical reactions. In a synthesis reaction two or more chemical species combine to form a more complex
  4. Replacement: a type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products.
  5. Replacement: a type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound.
  6. analysis or breakdown is the separation of a chemical compound into elements or simpler compounds.
  7. Ion: a charged chemical species (ion) composed of two or more atoms covalently bonded
  8. cause (a substance) to be deposited in solid form from a solution.
  9. Equation: A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formula, wherein the reactant entities are given on
  10. substance that speeds up a chemical reaction, but is not consumed by the reaction

19 Clues: consisting of two atoms. • the process or result of oxidizing or being oxidized. • pertaining to, related to, similar to, or dissolved in water. • cause (a substance) to be deposited in solid form from a solution. • a substance that takes part in and undergoes change during a reaction. • Compound: a chemical compound that contains exactly two different elements. • ...

Chapter 8: Reactions in Aqueous Solutions 2013-10-24

Chapter 8: Reactions in Aqueous Solutions crossword puzzle
Across
  1. The formation of a solid in a chemical reaction
  2. Reaction in which a solid forms and separates from the solution as a solid
  3. Chemical reaction involving oxygen as one of the reactants that produces enough heat so that a flame results
  4. Chemical reaction in which a compound is formed from simpler materials
  5. Substance that produces H+ ions (protons) when it is dissolved in water
  6. Chemical equation for a reaction in a solution representing all strong electrolytes as ions
  7. Chemical equation showing the complete (dissociated) forms of all reactants and products
  8. The solid that forms in a precipitation reaction
  9. Ion present in a solution that does not participate in a reaction
  10. Example of an ionic compound
Down
  1. Reaction that involves an H+ ion and ends up in the product water
  2. Base that completely dissociates to produce OH
  3. Substance that dissolves in water, dissociating completely into ions
  4. Chemical reaction involving the transfer of electrons
  5. Reaction that occurs when a compound is broken down into simpler substances
  6. Chemical reaction where two types of anions are exchanged
  7. Substance that produces hydroxide ions (OH-) in water
  8. Acid that completely dissociates to produce H+ ions in solution
  9. Chemical reaction in which one type of anion is exchanged
  10. Chemical equation for a reaction in solution showing only those components that are directly involved in the reaction; strong electrolytes are represented as ions
  11. Solid that dissolves to a small degree that it is not visible to the naked eye
  12. Solid that readily dissolves in water

22 Clues: Example of an ionic compound • Solid that readily dissolves in water • Base that completely dissociates to produce OH • The formation of a solid in a chemical reaction • The solid that forms in a precipitation reaction • Chemical reaction involving the transfer of electrons • Substance that produces hydroxide ions (OH-) in water • ...

Vocabulary Familiarization 2024-02-26

Vocabulary Familiarization crossword puzzle
Across
  1. A number placed in front of a chemical formula in a balanced chemical equation to indicate the number of molecules or atoms involved.
  2. A solid that forms from a solution during a chemical reaction.
  3. The percentage by mass of each element in a compound.
  4. of Conservation of Matter States that matter cannot be created or destroyed in a chemical reaction, only rearranged.
  5. A chemical reaction in which a compound breaks down into two or more simpler substances.
  6. reaction A type of chemical reaction where two compounds exchange positive ions to form two new compounds.
  7. The number of atoms, ions, or molecules in one mole of a substance; approximately 6.022 × 10^23.
  8. The mass of one mole of a substance; expressed in grams per mole (g/mol).
  9. A process that involves the rearrangement of atoms to form new substances.
  10. A chemical reaction in which two or more substances combine to form a single, more complex substance.
  11. A chemical reaction involving the rapid combination of a substance with oxygen, often producing heat and light.
Down
  1. The ratio of the amounts of substances in a chemical reaction, as determined by the coefficients in the balanced equation.
  2. A symbolic representation of a chemical reaction, showing the reactants and products.
  3. reaction A type of chemical reaction where one element replaces another element in a compound.
  4. A compound that has water molecules loosely bonded to its ions.
  5. A formula that specifies the actual number of atoms of each element in a molecule of a compound.
  6. The substances that undergo a chemical reaction.
  7. A formula that shows the simplest whole-number ratio of atoms in a compound.
  8. A unit of measurement used in chemistry to express amounts of a substance.
  9. The substances that are formed as a result of a chemical reaction.

20 Clues: The substances that undergo a chemical reaction. • The percentage by mass of each element in a compound. • A solid that forms from a solution during a chemical reaction. • A compound that has water molecules loosely bonded to its ions. • The substances that are formed as a result of a chemical reaction. • ...

Chemical Reactions 2023-10-17

Chemical Reactions crossword puzzle
Across
  1. Equilibrium - Balanced reaction rates.
  2. - Biological catalyst.
  3. - Neutralization reaction.
  4. - Substance entering a reaction.
  5. - Formation of long chains.
  6. - Loss of electrons in a reaction.
  7. - Reactions involving electron transfer.
  8. - Compound used to make another.
  9. - Exchange of ions.
  10. - Slows down a reaction.
  11. - Occurs without external force.
  12. - Breaking down compounds with electricity.
  13. - Number in front of a chemical formula.
Down
  1. - Substance formed in a reaction.
  2. - Donates protons (H+ ions).
  3. - Soap-making reaction.
  4. - Speeds up a reaction without being consumed.
  5. Energy - Energy required to start a reaction.
  6. - Measuring the concentration of a substance.
  7. - Reactant acted upon by an enzyme.
  8. - Solid formed in a solution.
  9. - Releases heat in a reaction.
  10. - Rapid chemical burning.
  11. - Combination of substances.
  12. - Absorbs heat in a reaction.
  13. - Breakdown into simpler substances.
  14. - Study of reaction rates.
  15. - Gain of electrons in a reaction.
  16. - Accepts protons (H+ ions).
  17. - Speed of a chemical reaction.

30 Clues: - Exchange of ions. • - Biological catalyst. • - Soap-making reaction. • - Slows down a reaction. • - Rapid chemical burning. • - Neutralization reaction. • - Study of reaction rates. • - Formation of long chains. • - Donates protons (H+ ions). • - Combination of substances. • - Accepts protons (H+ ions). • - Solid formed in a solution. • - Absorbs heat in a reaction. • ...

Chapter 5 vocabulary 2020-02-06

Chapter 5 vocabulary crossword puzzle
Across
  1. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  2. system A system in which no matter is allowed to enter or leave
  3. A reaction in which one element replaces another in a compound or when two elements in different compounds trade places
  4. A solid in which the atoms arranged in a pattern that repeats again and again.
  5. A substance formed as a result of a chemical reaction.
  6. A chemical reaction that breaks down compounds into simpler products.
  7. reaction A reaction that absorbs energy.
  8. A type of protein that spreads up a chemical reaction in a living thing a biological catalyst.
  9. A material that decreases the rate of a reaction.
  10. conservation mass The principle that the total amount of matter is neither created nor destroyed during any chemical or physical change.
Down
  1. equation A short easy way shows a chemical reaction using symbols.
  2. The amount of one material in a certain volume of another material.
  3. system A system in which can enter from or escape to the surroundings.
  4. reaction A reaction that releases energy usually in the form of heat.
  5. A solid that forms a solution during a chemical reaction.
  6. A chemical reaction in which two or more simple substances combine to form a new more complex substance.
  7. energy The minimum amount of energy needed to start a chemical reaction.
  8. A Substance that enters into a chemical reaction.
  9. change A change in which one or more substances combine or break apart to new substances.
  10. change A change that alters the form or appearance of material but does not make the material into another substance.

20 Clues: reaction A reaction that absorbs energy. • A Substance that enters into a chemical reaction. • A material that decreases the rate of a reaction. • A substance formed as a result of a chemical reaction. • A solid that forms a solution during a chemical reaction. • system A system in which no matter is allowed to enter or leave • ...

Types of Reactions Vocabulary - Aarush 2025-04-25

Types of Reactions Vocabulary - Aarush crossword puzzle
Across
  1. when a decomposition reaction is carried out by heating
  2. The reaction in which a single substance decomposes to give two or more substances.
  3. when a decomposition reaction is carried out by light
  4. materials in a reaction that undergo a chemical change to form a product
  5. The reactions which require energy in the form of heat, light or electricty
  6. gain of oxygen or loss of hydrogen in a reaction
  7. substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  8. gain of hydrogen or loss of oxygen in a reaction
Down
  1. a solution or mixture in which water is the solvent.
  2. when a decomposition reaction is carried out by electric current
  3. The chemical Reaction in which an element displaces another element from its solution
  4. The reaction in which two or more substances combine to form a new single substance
  5. chemical compounds with one or more oxygen atoms combined with another element
  6. Reaction in which heat is released along with the formation of products.
  7. chemical substances which are formed due to a chemical reaction between two or more chemical substances
  8. a chemical element that forms a salt when it reacts with metal
  9. Any reaction that produces a precipitate
  10. The reaction in which one reactant gets oxidised while other gets reduced

18 Clues: Any reaction that produces a precipitate • gain of oxygen or loss of hydrogen in a reaction • gain of hydrogen or loss of oxygen in a reaction • a solution or mixture in which water is the solvent. • when a decomposition reaction is carried out by light • when a decomposition reaction is carried out by heating • ...

Chemical reactions vocabulary 2022-02-08

Chemical reactions vocabulary crossword puzzle
Across
  1. the result of a chemical equation.
  2. the reaction that takes place when wood is burning.
  3. a chemical reaction where two or more substances combine to make one new substance.
  4. a substance on the left side of a chemical equation.
  5. a substance used to slow down the rate of a chemical reaction.
  6. the symbol that is used to represent the yield sign.
  7. the only thing that can be changed when balancing a chemical equation.
  8. a process where one or more substances change to make one or more new substances.
  9. a chemical reaction where there is only one reactant but multiple products.
  10. when this chemical reaction takes place, two or more new substances are formed from two or more different substances in the reactants.
Down
  1. the reason for balancing an equation is to proves this law.
  2. the energy that is needed to start a chemical reaction.
  3. a chemical reaction where on element in the reactants replaces another element in a compound in the products.
  4. seperates two reactants
  5. a substance someone would add to speed up a chemical reaction.
  6. the thing that is released to its surroundings during an exothermic reaction.
  7. the process of photosynthesis is an example of this type of reaction(energy is absorbed).
  8. a shorter way of demonstrating a chemical reaction involving reactants and products.
  9. the small number directly after a chemical symbol used to represent how many atoms of an element there are.

19 Clues: seperates two reactants • the result of a chemical equation. • the reaction that takes place when wood is burning. • a substance on the left side of a chemical equation. • the symbol that is used to represent the yield sign. • the energy that is needed to start a chemical reaction. • the reason for balancing an equation is to proves this law. • ...

Chloe Guenther - 1st Period - Stoichiometry Crossword 2022-04-04

Chloe Guenther - 1st Period - Stoichiometry Crossword crossword puzzle
Across
  1. a chemical reaction with oxygen and a hydrocarbon; always produces water and carbon dioxide
  2. dissolved in water; aqueous
  3. the actual amount produced during a chemical reaction
  4. arrow; represents the chemical reaction taking place
  5. solid; not dissolved in water
  6. on the left side of the equation
  7. maximum amount that can be produced based on the limiting reactant
  8. a chemical reaction with an acid and base for reactants that produces water and a salt
  9. measures the effectiveness of an experiment based on the ratio of the theoretical yield in comparison to the actual yield
  10. the reactant in a chemical equation that limits that amount produced
Down
  1. needed to predict the products in a decomposition reaction
  2. ratio of components in an equation based on coefficients
  3. chemical reaction with 2 or more reactants and only 1 product
  4. a chemical reaction with 2 compounds in which metals or non-metals switch places to form two different compounds
  5. chemical reaction in which there is 1 element and 1 compound reactant (like replaces like)
  6. chemical equation
  7. compound with carbon and hydrogen; necessary in combustion reactions
  8. the reactant in a chemical equation that is remaining after the limiting reactant has run out
  9. on the right side of the equation
  10. chemical reaction with only 1 product and multiple products

20 Clues: chemical equation • dissolved in water; aqueous • solid; not dissolved in water • on the left side of the equation • on the right side of the equation • arrow; represents the chemical reaction taking place • the actual amount produced during a chemical reaction • ratio of components in an equation based on coefficients • ...

AP CHEMISTRY_UNIT 4_CHEMICAL REACTIONS 2024-12-16

AP CHEMISTRY_UNIT 4_CHEMICAL REACTIONS crossword puzzle
Across
  1. A reaction involving the transfer of a proton (H+) between reactants.
  2. The minimum energy required to start a chemical reaction.
  3. The reaction of an acid and a base to form a neutral solution of water and a salt.
  4. A reaction in which a single compound breaks down into two or more simpler substances.
  5. The speed at which a chemical reaction occurs.
  6. Categories of chemical reactions such as synthesis, decomposition, single replacement, etc.
  7. A change that results in the formation of new chemical substances.
  8. The maximum amount of product that can be produced from a given amount of reactants.
  9. The point in a titration where the amount of titrant is just enough to completely neutralize the analyte.
  10. An equation that links the reaction rate with the concentrations of reactants.
  11. A substance that accepts a proton (H+) in a reaction.
  12. Substances formed as a result of a chemical reaction.
  13. A high-energy state during a chemical reaction where bonds are breaking and forming.
  14. A change that affects the form of a chemical substance, but not its chemical composition.
  15. A substance that loses electrons and is oxidized in a chemical reaction.
  16. A technique to determine the concentration of a solute in a solution.
  17. A substance that donates a proton (H+) in a reaction.
  18. The reactant that determines the amount of product formed.
  19. The loss of electrons in a chemical reaction.
  20. The calculation of reactants and products in chemical reactions.
  21. A chemical equation with the same number of each type of atom on both sides.
  22. The measured amount of a product obtained from a reaction.
  23. Substances that start a chemical reaction.
  24. The ratio of the actual yield to the theoretical yield, multiplied by 100.
  25. A solution in which water is the solvent.
  26. A proportionality constant in the rate law equation.
Down
  1. A substance that speeds up a chemical reaction without being consumed.
  2. An ion that does not participate in the reaction.
  3. A reactant that remains after the reaction is complete.
  4. A measure of the average kinetic energy of the particles.
  5. A substance that gains electrons and is reduced in a chemical reaction.
  6. A reaction in which one element replaces another in a compound.
  7. A reaction in which two or more substances combine to form a single product.
  8. The amount of a substance in a given volume.
  9. The extent of a surface exposed to a reaction.
  10. A chemical equation in which the formulas of the compounds are written as though all substances exist as molecules.
  11. A solution of known concentration used in titrations.
  12. A process in which substances are changed into different substances.
  13. A chemical equation that shows only the ions that participate in the reaction.
  14. A reaction in which a substance reacts with oxygen, releasing energy as light and heat.
  15. A reaction in which the positive ions of two compounds exchange places.
  16. The ratio of moles of one substance to moles of another in a balanced equation.
  17. A substance formed during the middle steps of a chemical reaction.
  18. A chemical reaction involving the transfer of electrons.
  19. The point in a titration where the indicator changes color.
  20. A measure of the acidity or basicity of a solution.
  21. A solid that forms and settles out of a liquid mixture.
  22. The gain of electrons in a chemical reaction.
  23. Theory stating that particles must collide to react.
  24. A substance that changes color to indicate the presence of a particular ion or compound.

50 Clues: A solution in which water is the solvent. • Substances that start a chemical reaction. • The amount of a substance in a given volume. • The gain of electrons in a chemical reaction. • The loss of electrons in a chemical reaction. • The extent of a surface exposed to a reaction. • The speed at which a chemical reaction occurs. • ...

Chemical Reactions Crossword 2020-04-21

Chemical Reactions Crossword crossword puzzle
Across
  1. a fluid that forms the shape of its container, but keeps a constant volume.
  2. equation, a visual representation of a reaction using chemical formulas.
  3. reaction, a process that leads to the chemical transformation of one set of chemical substances to another.
  4. equation, a chemical reaction expressed in words rather than chemical formulas.
  5. the production of chemical compounds by reaction from simpler materials.
  6. a solution in which the solvent is water.
  7. a species of atom having the same number of protons in its atomic nuclei.
  8. reaction, a chemical reaction in which an acid and a base react with each other.
  9. a process by which organic substances are broken down into simpler organic matter.
Down
  1. are molecules made of two atoms chemically bonded together.
  2. a substance that is formed as the result of a chemical reaction.
  3. equations, a balance equation is an equation that describes the probability flux.
  4. reaction, a reaction where the reactants and products react together.
  5. consumed by fire.
  6. of Conservation of Atoms, a law that states the total number of atoms of reactants must equal the number of atoms of products.
  7. a substance that takes part in and undergoes change during a reaction.
  8. replacement, a chemical reaction in which one element replaces an/other element in a compound.
  9. a combination of the words mono and atomic, and means single atom.
  10. , a state of matter characterized by particles arranged such that their shape remains stable.
  11. metal, a chemical element that mostly lacks the characteristics of a metal.

20 Clues: consumed by fire. • a solution in which the solvent is water. • are molecules made of two atoms chemically bonded together. • a substance that is formed as the result of a chemical reaction. • a combination of the words mono and atomic, and means single atom. • reaction, a reaction where the reactants and products react together. • ...

Types of Reactions Vocabulary - Aarush 2025-04-25

Types of Reactions Vocabulary - Aarush crossword puzzle
Across
  1. when a decomposition reaction is carried out by heating
  2. The reaction in which a single substance decomposes to give two or more substances.
  3. when a decomposition reaction is carried out by light
  4. materials in a reaction that undergo a chemical change to form a product
  5. The reactions which require energy in the form of heat, light or electricty
  6. gain of oxygen or loss of hydrogen in a reaction
  7. substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  8. gain of hydrogen or loss of oxygen in a reaction
Down
  1. a solution or mixture in which water is the solvent.
  2. when a decomposition reaction is carried out by electric current
  3. The chemical Reaction in which an element displaces another element from its solution
  4. The reaction in which two or more substances combine to form a new single substance
  5. chemical compounds with one or more oxygen atoms combined with another element
  6. Reaction in which heat is released along with the formation of products.
  7. chemical substances which are formed due to a chemical reaction between two or more chemical substances
  8. a chemical element that forms a salt when it reacts with metal
  9. Any reaction that produces a precipitate
  10. The reaction in which one reactant gets oxidised while other gets reduced

18 Clues: Any reaction that produces a precipitate • gain of oxygen or loss of hydrogen in a reaction • gain of hydrogen or loss of oxygen in a reaction • a solution or mixture in which water is the solvent. • when a decomposition reaction is carried out by light • when a decomposition reaction is carried out by heating • ...

Chemical Reaction Vocab 2018-02-15

Chemical Reaction Vocab crossword puzzle
Across
  1. Made up of a single atom
  2. This determine the shape of the molecule
  3. a group of atoms bonded together
  4. Transfer of electrons
  5. Sharing of electrons
  6. Able to be molded/bend
  7. They are positive and negative
  8. Is ductile and malleable
  9. The force that holds atoms of molecules together
  10. A characteristic of a substance that is observed during a reaction
Down
  1. Is composed of two or more separate elements
  2. Able to be drawn into wires
  3. Force of attraction between molecules
  4. Shows the bonding between atoms of a molecule
  5. Electrons in the outer shell
  6. The state or power of being reactive
  7. Made up of multiple atoms
  8. A species of atoms having the same number of protons in their atomic nuclei
  9. a stable subatomic particle with a charge of negatively elctricity
  10. Dissolved in water

20 Clues: Dissolved in water • Sharing of electrons • Transfer of electrons • Able to be molded/bend • Made up of a single atom • Is ductile and malleable • Made up of multiple atoms • Able to be drawn into wires • Electrons in the outer shell • They are positive and negative • a group of atoms bonded together • The state or power of being reactive • Force of attraction between molecules • ...

Chemical Reaction Vocabulary 2023-11-07

Chemical Reaction Vocabulary crossword puzzle
Across
  1. this reaction is classified as _________.
  2. Is a way to show a chemical reaction, using symbols instead of words.
  3. This states that during a chemical reaction, matter is not created or destroyed.
  4. These cells in your body contain thousands of biological catalyst called _______.
  5. Is a number placed in front of a chemical formula in an equation.
  6. It increases the reaction rate by lowering the activation energy needed.
  7. Is a material used to decrease the rate of a chemical reaction is an ________.
  8. Is a substance that undergo the chemical changes.
  9. When one element replaces another element in a compound, or if two elements in different compounds trade places, the reaction is called a ___________.
  10. Is the amount of a substance in a given volume.
  11. Is a reaction that occurs when compounds break down into simpler products.
Down
  1. It is the minimum amount of energy needed to start a chemical reaction.
  2. Is any change that alters the form or appearance of a substance but does not change it into another substance.
  3. Is a change in matter that produces one or more new substances.
  4. Is more energy is required to break the bonds of the reactants than is released by the formation of the products.
  5. This means matter can enter from or escape to the surroundings.
  6. It is a solid that forms from liquids during a chemical reaction.
  7. Is the new substance that forms when 2 substances or more are combined.
  8. Is the energy released as the products form is greater than the energy required to break the bonds of the reactants.
  9. In chemistry when two or more elements or compounds combine to make a more complex
  10. This means matter does not enter or leave.

21 Clues: this reaction is classified as _________. • This means matter does not enter or leave. • Is the amount of a substance in a given volume. • Is a substance that undergo the chemical changes. • Is a change in matter that produces one or more new substances. • This means matter can enter from or escape to the surroundings. • ...

Chapter 5 2022-05-04

Chapter 5 crossword puzzle
Across
  1. focusing on one’s attention
  2. Number in front of chemical formula
  3. change Reversible change in physical properties
  4. energy minimum quantity
  5. Substance formed as a result of a chemical
  6. change substance minced with another to form new one
  7. catalyst living in organisms
  8. breaking down something
  9. reaction Chemical reaction that takes heat from the environment
  10. of conversation Chemical reaction mass is not created or destroyed
Down
  1. combination of parts
  2. reaction Energy is transferred to its surroundings
  3. Substance that undergoes change while happening
  4. substance that slows down Chemical reaction
  5. Solid that forms solutions during chemical
  6. the act of replacing something with something else
  7. change Irreversible chemical reaction
  8. equation Symbols of elements for amount of substance
  9. substance increases rate of reaction

19 Clues: combination of parts • breaking down something • energy minimum quantity • focusing on one’s attention • catalyst living in organisms • Number in front of chemical formula • substance increases rate of reaction • change Irreversible chemical reaction • Solid that forms solutions during chemical • Substance formed as a result of a chemical • ...

Chemestry 2023-05-02

Chemestry crossword puzzle
Across
  1. is a chemical bond type
  2. What are elements made of?
  3. How are chemical bonds created?
  4. is the molecular mass of water (H20)?
  5. Which of the types of chemical reactions is: Al+02 - Al203
  6. What are chemical bonds?
  7. How can components in a mixture be separated?
  8. an example of a chemical reaction?
  9. What are molecules?
  10. a type of chemical bonds exist?
  11. Matter does not leave or enter the system
  12. How many times of chemical bonds exist?
  13. example of a chemical reaction
Down
  1. All acidity, toxicity, tendency and oxidation are examples of _____
  2. the most abundant element in the universe?
  3. what is the mole number?
  4. Takes energy; form more bonds
  5. two or more reactants combine to form one
  6. factors can affect the rate of a chemical reaction?
  7. Matter does not leave or enter the system
  8. Chemical reaction in the industry
  9. an example of a chemical reaction
  10. a way you can identify a chemical change
  11. example of a physical change
  12. Which of the types of chemical reactions is: Fe+H2SO4 - Fe(SO4)3+H2

25 Clues: What are molecules? • is a chemical bond type • what is the mole number? • What are chemical bonds? • What are elements made of? • example of a physical change • Takes energy; form more bonds • example of a chemical reaction • How are chemical bonds created? • a type of chemical bonds exist? • Chemical reaction in the industry • an example of a chemical reaction • ...

Science 2024-11-25

Science crossword puzzle
Across
  1. The negative ions in two compounds switch places, forming two new compounds.
  2. The starting substances in a chemical reaction.
  3. A chemical reaction that releases thermal energy.
  4. One element replaces another element in a compound.
  5. A description of a reaction using element symbols and chemical formulas.
  6. A substance that slows, or even stops, a chemical reaction.
Down
  1. The total mass of the reactants before a chemical reaction is the same as the total mass of the products after the reaction.
  2. The substances produced by the chemical reaction.
  3. A substance that increases reaction rate by lowering the activation energy of a reaction.
  4. The minimum amount of energy needed to start a chemical reaction.
  5. A process in which atoms of one or more substances rearrange to form one or more new substances.
  6. A chemical reaction in which a substance combines with oxygen and releases energy.
  7. A number placed in front of an element symbol or chemical formula in an equation.
  8. A type of chemical reaction in which two or more substances combine and form one compound.
  9. Chemical reaction that absorbs thermal energy.
  10. One compound breaks down and forms two or more substances.
  11. A catalyst that speeds up chemical reactions in living cells.

17 Clues: Chemical reaction that absorbs thermal energy. • The starting substances in a chemical reaction. • The substances produced by the chemical reaction. • A chemical reaction that releases thermal energy. • One element replaces another element in a compound. • One compound breaks down and forms two or more substances. • ...

Collision Theory and Rates of Reaction 2022-05-06

Collision Theory and Rates of Reaction crossword puzzle
Across
  1. energy an object possesses due to its motion
  2. substances initially present in a chemical reaction that are consumed during the reaction to make products
  3. a group of atoms bonded together
  4. a measure of the average kinetic energy of the atoms or molecules in a system; can influence the rate of reaction
  5. energy the minimum amount of energy that is required to activate atoms or molecules to a condition in which they can undergo chemical transformation
  6. a substance that slows or prevents a chemical reaction
  7. the measure of how much exposed area a solid object has, expressed in square units; can influence the rate of reaction
  8. the amount of a substance in a defined space; can influence the rate of reaction
  9. a state of balance in which the rates of the forward and reverse reactions are equal
Down
  1. states that if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change to reestablish an equilibrium
  2. a link between atoms in molecules or compounds
  3. states that for a chemical reaction to occur, the reacting particles must collide with one another with enough energy and the proper orientation
  4. the force exerted per unit area; can influence the rate of reaction
  5. a process that leads to the chemical transformation of one set of chemical substances to another
  6. a substance that speeds up a chemical reaction
  7. the speed at which a chemical reaction proceeds
  8. if the conditions stated by the Collision Theory are not met, chemical reactions are __________
  9. an intermediate state that is formed during the conversion of reactants into products
  10. used to represent time in a chemical reaction
  11. a substance that is formed as the result of a chemical reaction

20 Clues: a group of atoms bonded together • energy an object possesses due to its motion • used to represent time in a chemical reaction • a link between atoms in molecules or compounds • a substance that speeds up a chemical reaction • the speed at which a chemical reaction proceeds • a substance that slows or prevents a chemical reaction • ...

Chemical Reaction 2023-02-23

Chemical Reaction crossword puzzle
Across
  1. Found in cleaning sprays
  2. Taste sour
  3. Tells us if the chemical is an acid or a base
  4. Made out of only one type of atoms
  5. Made out of two or more types of elements which are chemically bonded
  6. Change colour based on the pH of the chemical
  7. A organised table containing elements.
Down
  1. involves breaking chemical bonds between reactants and forming new bonds between atoms in products
  2. A chemical connection between two elements
  3. Shows the number of atoms and the type of atoms
  4. Starting chemicals of a chemical reaction
  5. Final chemicals of a chemical reaction

12 Clues: Taste sour • Found in cleaning sprays • Made out of only one type of atoms • Final chemicals of a chemical reaction • A organised table containing elements. • Starting chemicals of a chemical reaction • A chemical connection between two elements • Tells us if the chemical is an acid or a base • Change colour based on the pH of the chemical • ...

Chapter 19 Chemical Reactions Crossword Puzzle 2024-11-25

Chapter 19 Chemical Reactions Crossword Puzzle crossword puzzle
Across
  1. Type of reaction when one substance breaks down
  2. Factor that effects reaction rates (put in fridge)
  3. When the forward and reverse reactions are the same rates
  4. When electrons are gained in a reaction
  5. Substance that slows rates of chemical reactions
  6. Inhibitor that slows cancer growth
  7. More volume and ____ increases the rate of reactions
  8. ______ equations describe reactions with formulas and symbols
  9. Type of reaction when 2 new compounds are formed is a _____ displacement
  10. Substances produced in a chemical reaction
  11. A burning chemical reaction is called _____
  12. Type of reaction when 2 or more substances combine
  13. Reaction that absorbs different types of energy
  14. In reactions, the more _____ area, the faster the dissolving
  15. The number of units for each substance
  16. Substances that are interacting in a chemical reaction
Down
  1. Factor of reaction rate that is about more/less particles in it
  2. Substance that speed up chemical reactions
  3. Antoine _______ did the experiment that led to the Law of Conservation of Mass
  4. Reaction that releases heat (burn wood)
  5. The amount of a substance with 6.02 x 10 23 power
  6. When chemical reactions break down or form, causing energy to be released or ____
  7. Type of reaction when one element replaces another is a _____ displacement
  8. Energy is neither created nor destroyed is the Law of _____ of Energy
  9. Rate at which reactants change to products is a _____ rate
  10. Reaction that releases different types of energy
  11. When electrons are lost in a chemical reaction
  12. ancient type of chemistry
  13. Insoluble compound that appears in a reaction
  14. mass Same as an amu, atomic mass (2)
  15. Reaction that absorbs heat (melting)
  16. One or more substances converted to new one is a ____ reaction

32 Clues: ancient type of chemistry • Inhibitor that slows cancer growth • Reaction that absorbs heat (melting) • mass Same as an amu, atomic mass (2) • The number of units for each substance • Reaction that releases heat (burn wood) • When electrons are gained in a reaction • Substance that speed up chemical reactions • Substances produced in a chemical reaction • ...

Chapter 5 vocabulary MF 2020-02-19

Chapter 5 vocabulary MF crossword puzzle
Across
  1. A chemical reaction in which two or more simple substances combine to form new more complex substances.
  2. A solid in which the atoms arranged in a pattern that repeats again and again.
  3. A reaction that absorbs energy.
  4. A material that decreases the rate of a reaction.
  5. A Substance that enters into a chemical reaction.
  6. A reaction in which one element replaces another in a compound or when two elements in different compounds trade places.
  7. A solid that forms a solution during a chemical reaction.
  8. A short easy way shows a chemical reaction using symbols.
  9. A chemical reaction that breaks down compounds into simpler products.
  10. A type of protein that spreads up a chemical reaction in a living thing a biological catalyst.
Down
  1. A system in which no matter is allowed to enter or leave.
  2. A substance formed as a result of a chemical reaction.
  3. The principle that the total amount of matter is neither created nor destroyed during any chemical or physical change.
  4. A change in which one or more substances combine or break apart to a new substances.
  5. A reaction that releases energy usually in the form of heat.
  6. The minimum amount of energy needed to start a chemical reaction.
  7. The amount of one material in a certain volume of another material.
  8. A change that alters the form or appearance of material but does not make the material into another substance.
  9. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  10. A system in which can enter from or escape to the surroundings.

20 Clues: A reaction that absorbs energy. • A material that decreases the rate of a reaction. • A Substance that enters into a chemical reaction. • A substance formed as a result of a chemical reaction. • A system in which no matter is allowed to enter or leave. • A solid that forms a solution during a chemical reaction. • ...

Science Crossword 2024-03-04

Science Crossword crossword puzzle
Across
  1. number of atoms, ions, or molecules in one mole of a approximately 6.022 x 10^23
  2. reaction where a substance reacts with oxygen, producing heat and light
  3. formed from a solution during a chemical reaction
  4. reaction reaction where ions of two compounds exchange places
  5. reaction where substances combine to form a new compound
  6. intially present in a chemical reaction
  7. containing water molecules bound to its ions
  8. ratio of the coefficients in a balanced chemical equation, representing the relative amounts of substances involved
  9. representation of a chemical reaction using symbols and formulas
  10. matter cannot be created or destroyed in a chemical reaction
Down
  1. simplest whole number ratio of atoms in a compound
  2. formed as a result of a chemical reaction
  3. reaction reaction where one element replaces another in a compound
  4. unit of measurement for the amount of a substance
  5. reaction where a compound breaks down into simpler substances
  6. placed in front of a chemical formula in a balanced equation, indicating the relative amounts of reactants and products
  7. Process where substances transform into different ones
  8. percentage by mass of each element in a compound
  9. formula showing the actual number of atoms of each element in a molecule
  10. mass of one mole of a substance

20 Clues: mass of one mole of a substance • intially present in a chemical reaction • formed as a result of a chemical reaction • containing water molecules bound to its ions • percentage by mass of each element in a compound • formed from a solution during a chemical reaction • unit of measurement for the amount of a substance • ...

extra credit cross word 2024-09-12

extra credit cross word crossword puzzle
Across
  1. The substance that dissolves the solute to form a solution, typically present in a greater amount.
  2. A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.
  3. Energy The minimum energy required to initiate a chemical reaction.
  4. Reaction A chemical reaction that releases heat to its surroundings, resulting in an increase in temperature of the reaction mixture.
  5. A measure of concentration, defined as the number of moles of solute per liter of solution.
  6. A measure of the acidity or basicity of an aqueous solution, ranging from 0 (acidic) to 14 (basic), with 7 being neutral.
  7. Reaction A chemical reaction that absorbs heat from its surroundings, resulting in a decrease in temperature of the reaction mixture.
  8. The tendency of an atom to attract electrons in a chemical bond.
  9. A substance that accepts protons (H⁺ ions) in a chemical reaction and typically has a bitter taste and slippery feel.
  10. The study of the relations between heat, work, temperature, and energy in chemical processes.
  11. A substance that increases the rate of a chemical reaction without being consumed or permanently altered by the reaction.
  12. Reaction A process in which one or more substances (reactants) are transformed into one or more different substances (products).
  13. A state in a chemical reaction where the rate of the forward reaction equals the rate of the reverse reaction, leading to constant concentrations of reactants and products.
Down
  1. Reaction A type of chemical reaction in which two or more simple substances combine to form a more complex product.
  2. Bond A type of chemical bond where two atoms share one or more pairs of electrons.
  3. Organic compounds consisting entirely of hydrogen and carbon, such as alkanes, alkenes, and alkynes.
  4. A pure substance consisting of only one type of atom, which cannot be broken down into simpler substances by chemical means.
  5. Chemistry The branch of chemistry that deals with inorganic compounds, typically those not containing carbon-hydrogen bonds.
  6. Chemistry The branch of chemistry that studies carbon-containing compounds and their properties, reactions, and synthesis.
  7. The smallest unit of an element that retains its chemical properties; composed of protons, neutrons, and electrons.
  8. A substance formed when two or more elements are chemically bonded together in fixed proportions.
  9. Bond A type of chemical bond formed through the electrostatic attraction between oppositely charged ions.
  10. Reaction A chemical reaction involving the transfer of electrons between two substances, resulting in changes in oxidation states.
  11. A tabular arrangement of elements, organized by increasing atomic number and grouped by similar chemical properties.
  12. The substance that is dissolved in a solvent to form a solution, typically present in a lesser amount.
  13. Reaction A type of chemical reaction where a single compound breaks down into two or more simpler substances.
  14. A substance that donates protons (H⁺ ions) in a chemical reaction and typically has a sour taste.
  15. An atom or molecule that has gained or lost one or more electrons, resulting in a net electric charge.
  16. Atoms of the same element with the same number of protons but different numbers of neutrons, resulting in different atomic masses.
  17. The branch of chemistry involving the calculation of reactants and products in chemical reactions.

30 Clues: The tendency of an atom to attract electrons in a chemical bond. • Energy The minimum energy required to initiate a chemical reaction. • Bond A type of chemical bond where two atoms share one or more pairs of electrons. • A measure of concentration, defined as the number of moles of solute per liter of solution. • ...

science creative task 2016-10-05

science creative task crossword puzzle
Across
  1. the process of changing chemicals
  2. electricity moving through things
  3. reaction a chemical reaction accompanied by the absorption of heat
  4. made from fossils
  5. the centre of an atom
  6. the process of two substances combining to make a new one
  7. separation of a liquid mixture into fractions differing in boiling point
  8. the exact opposite of a chemical synthesis
  9. how much energy something could have
  10. what is made
  11. a liquid or gel which contains ions
  12. chemical decomposition produced by passing an electric current through a liquid or solution containing ions
  13. a reaction that produces heat
  14. a reaction where two or more elements or compounds combine to form a single compound
  15. mixing chemicals
  16. a substance that takes part in a reaction
Down
  1. commonly known as burning
  2. liquid substance
  3. able to be dissolved
  4. an insoluble solid that emerges from a liquid solution
  5. how trees make air
  6. energy created by a chemical reaction
  7. energy created by an object moving
  8. the building blocks of the universe
  9. organic fuel
  10. a compound of hydrogen and carbon
  11. cause (a substance) to be deposited in solid form from a solution.
  12. like an atom

28 Clues: organic fuel • what is made • like an atom • liquid substance • mixing chemicals • made from fossils • how trees make air • able to be dissolved • the centre of an atom • commonly known as burning • a reaction that produces heat • the process of changing chemicals • electricity moving through things • a compound of hydrogen and carbon • energy created by an object moving • ...

Crossword - Combustion and Chemical Reaction 2024-02-13

Crossword - Combustion and Chemical Reaction crossword puzzle
Across
  1. A type of chemical reaction where energy is released to the environment.
  2. A reaction in which the products can convert back into the reactants.
  3. two or more atoms connected by chemical bonds
  4. An odorless, colorless gas that is the waste product that your body makes when it uses food for energy.
  5. A pure substance that cannot be broken down by any physical or chemical means into simpler substances.
  6. The ability to do work
  7. Representation of chemical reaction using symbols and formulae of the substances.
  8. A liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.
  9. When a substance is combined with oxygen
  10. The basic unit of a chemical element
Down
  1. the amount of mass that goes into a chemical reaction in the reactants, must equal the amount of mass that comes out of the reaction process.
  2. A type of reaction that occurs when two or more reactants combine to form a single product.
  3. The substances produced at the end of a chemical reaction.
  4. A type of chemical reaction where energy is absorbed from the environment.
  5. when the products of a chemical reaction cannot be converted back to reactants
  6. The ability to do work
  7. The substances that undergo a chemical reaction
  8. A gas that humans and animals breathe in.
  9. Another term for burning
  10. The compounds that are in most fuels in a combustion reaction.

20 Clues: The ability to do work • The ability to do work • Another term for burning • The basic unit of a chemical element • When a substance is combined with oxygen • A gas that humans and animals breathe in. • two or more atoms connected by chemical bonds • The substances that undergo a chemical reaction • The substances produced at the end of a chemical reaction. • ...

Chapter 1 Vocabulary Chemical Reactions 2025-05-17

Chapter 1 Vocabulary Chemical Reactions crossword puzzle
Across
  1. A reaction where two or more substances combine to form one
  2. The substances that are present before a chemical reaction
  3. A shorthand representation of a compound is called a chemical _____
  4. A combination of two or more substances that are not chemically combined
  5. A pure substance made of two or more elements chemically combined
  6. A number in a chemical formula that shows how many atoms of an element are present
  7. A substance made of two or more types of atoms bonded together
  8. A change that alters the form or appearance of a material but does not make the material into another substance _____ change
  9. A substance that slows down or stops a reaction
  10. A large number placed in front of a chemical formula to show how many molecules there are
  11. A protein that acts as a biological catalyst
  12. Energy needed to get a reaction started is the ____energy
  13. A measure of how much solute is dissolved in a solvent
  14. A combination of letters that represents an element
Down
  1. A solid that forms from a solution during a chemical reaction
  2. A shorthand way to show a chemical reaction, using symbols is called a chemical _____
  3. Something that is burned to produce energy
  4. A substance that increases the rate of a reaction without being used up
  5. The substances formed from a chemical reaction
  6. A substance made of only one kind of atom
  7. A reaction in which compounds break down into simpler substances
  8. A force that holds atoms together is a chemical _____
  9. A reaction in which one element replaces another in a compound
  10. A type of chemical reaction that releases energy
  11. The process where substances change into different substances is a chemical _____
  12. A reaction that absorbs energy
  13. The smallest part of an element that still has the properties of that element
  14. The principle that mass is not lost or gained during a chemical reaction is the law of conservation of _____

28 Clues: A reaction that absorbs energy • A substance made of only one kind of atom • Something that is burned to produce energy • A protein that acts as a biological catalyst • The substances formed from a chemical reaction • A substance that slows down or stops a reaction • A type of chemical reaction that releases energy • A combination of letters that represents an element • ...

Chapter 10 Vocabulary 2025-01-08

Chapter 10 Vocabulary crossword puzzle
Across
  1. a reaction in which two or more substances combine to form a new compound
  2. A starting material in a chemical reaction
  3. Chemical Reaction in which energy is primarily given off in the form of heat
  4. mass is neither created nor destroyed
  5. the process by which one or more substances change to produce one or more different substances
  6. a chemical change in which two or more substances react to form a single new substance
  7. the quantity of energy transferred as heat during a chemical reaction
  8. A reaction that will proceed without any outside energy
  9. a double replacement reaction that produces an insoluble solid
  10. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  11. A long molecule consisting of many similar or identical monomers linked together.
Down
  1. a chemical equation that includes the enthalpy change
  2. the enthalpy change that accompanies the formation of a substance from the most stable forms of its component elements
  3. the barrier between the reactants and the products, the thing that the catalyst has to get past
  4. Chemical reaction in which absorbs heat
  5. A form of potential energy that is stored in chemical bonds between atoms.
  6. A chemical reaction that breaks down compounds into simpler products.
  7. The elements or compounds produced by a chemical reaction.
  8. Conversion of light energy from the sun into chemical energy.
  9. a chemical equation in which mass is conserved; each side of the equation has the same number of atoms of each element
  10. a chemical process that combines several monomers to form a polymer or polymeric compound

21 Clues: mass is neither created nor destroyed • Chemical reaction in which absorbs heat • A starting material in a chemical reaction • a chemical equation that includes the enthalpy change • A reaction that will proceed without any outside energy • The elements or compounds produced by a chemical reaction. • Conversion of light energy from the sun into chemical energy. • ...

Chemical Reaction Vocab 2018-02-27

Chemical Reaction Vocab crossword puzzle
Across
  1. characteristic of a substance during a chemical reaction.
  2. properties that occur during chemical reactions.
  3. chemical bonds formed by atoms sharing electrons.
  4. positively charged ion.
  5. bonds between molecules.
  6. negatively charged ion.
  7. ion made of a single atom, also changes name to end with "-ide".
  8. group of bonded atoms.
  9. a mixture of 2 or more elements.
  10. property of a substance to dissolve in another substance.
  11. dot structure models
Down
  1. smallest particle that makes up an atom
  2. the ability of a metal's form to be changed by outside forces.
  3. bonds within molecules.
  4. involving ions.
  5. metal that can be made into a wire.
  6. properties that occur naturally.
  7. substance comprised of all the same type of atom.
  8. model with a proton as the nucleus and electrons orbiting.

19 Clues: involving ions. • dot structure models • group of bonded atoms. • bonds within molecules. • positively charged ion. • negatively charged ion. • bonds between molecules. • a mixture of 2 or more elements. • properties that occur naturally. • metal that can be made into a wire. • smallest particle that makes up an atom • properties that occur during chemical reactions. • ...

Chapter 8: Reactions in Aqueous Solutions 2013-10-24

Chapter 8: Reactions in Aqueous Solutions crossword puzzle
Across
  1. Base that completely dissociates to produce OH
  2. Chemical equation for a reaction in solution showing only those components that are directly involved in the reaction; strong electrolytes are represented as ions
  3. Chemical reaction involving oxygen as one of the reactants that produces enough heat so that a flame results
  4. Chemical equation for a reaction in a solution representing all strong electrolytes as ions
  5. Solid that readily dissolves in water
  6. The solid that forms in a precipitation reaction
  7. Chemical equation showing the complete (dissociated) forms of all reactants and products
  8. Acid that completely dissociates to produce H+ ions in solution
Down
  1. Chemical reaction involving the transfer of electrons
  2. The formation of a solid in a chemical reaction
  3. Chemical reaction in which a compound is formed from simpler materials
  4. Reaction that occurs when a compound is broken down into simpler substances
  5. Example of an ionic compound
  6. Reaction in which a solid forms and separates from the solution as a solid
  7. Chemical reaction where two types of anions are exchanged
  8. Ion present in a solution that does not participate in a reaction
  9. Chemical reaction in which a compound is formed from simpler materials
  10. Reaction that involves an H+ ion and ends up in the product water
  11. Substance that dissolves in water, dissociating completely into ions
  12. Solid that dissolves to a small degree that it is not visible to the naked eye
  13. Substance that produces H+ ions (protons) when it is dissolved in water
  14. Substance that produces hydroxide ions (OH-) in water

22 Clues: Example of an ionic compound • Solid that readily dissolves in water • Base that completely dissociates to produce OH • The formation of a solid in a chemical reaction • The solid that forms in a precipitation reaction • Chemical reaction involving the transfer of electrons • Substance that produces hydroxide ions (OH-) in water • ...

Elemental Puzzles 2024-11-14

Elemental Puzzles crossword puzzle
Across
  1. A compound formed when hydrogen combines with oxygen
  2. A substance that starts a chemical reaction
  3. A substance that donates protons in a chemical reaction
  4. Displacement: A type of reaction where one element replaces another in a compound
  5. The process of combining elements to form compounds
  6. A substance that accepts protons in a chemical reaction
  7. The substance formed as a result of a chemical reaction
  8. A reaction that involves the breaking of bonds and formation of new bonds
  9. The gas that makes up 21% of the Earth's atmosphere
  10. A metal with the symbol Fe, essential for blood production
  11. The type of reaction that involves the rearrangement of atoms
  12. The pH level of a neutral solution
  13. A reaction that occurs spontaneously without external energy
Down
  1. The type of reaction where two or more substances combine to form one product
  2. The lightest element on the periodic table with the symbol H
  3. A reaction that can occur with oxygen and produces heat and light
  4. The element with the atomic number 6, a key component of organic molecules
  5. Displacement: A reaction where two compounds exchange components to form new compounds
  6. The process of breaking down a compound into simpler substances
  7. The process of a solid forming from a solution during a chemical reaction
  8. Energy: The energy required to start a chemical reaction
  9. The element with the chemical symbol Cl, often used in disinfectants
  10. A reaction that occurs in an aqueous solution
  11. The number before a compound in a chemical equation to balance it
  12. The element with the atomic number 11, commonly found in table salt

25 Clues: The pH level of a neutral solution • A substance that starts a chemical reaction • A reaction that occurs in an aqueous solution • The process of combining elements to form compounds • The gas that makes up 21% of the Earth's atmosphere • A compound formed when hydrogen combines with oxygen • A substance that donates protons in a chemical reaction • ...

AP Biology 2012-11-26

AP Biology crossword puzzle
Across
  1. chemical agent that speeds up a chemical reaction
  2. spontaneous chemical reaction in which there is a net release of free energy
  3. use of energy released from exergonic reaction to power endergonic reaction-energy _____
  4. energy available in molecules for release in chemical reaction
  5. temporary complex formed when a catalyst binds to substrate
  6. study of energy transformations that occur in a collection of matter
  7. energy amount of energy needed to begin reaction
  8. capacity to cause change
Down
  1. metabolic pathway that synthesizes complex molecules
  2. law of thermodynamics that states all energy in universe is conserved
  3. study of energy flow through organism
  4. series of chemical reactions that either builds or breaks down a complex molecule
  5. metabolic pathway that breaks down complex molecules
  6. type of energy that is a result of location or spatial arrangement
  7. the law of thermodynamics that states each chemical reaction increases entropy
  8. total amount of kinetic energy of molecules, also called thermal energy
  9. non spontaneous chemical reaction in which free energy is absorbed from surroundings
  10. totality of an organism's chemical reactions
  11. type of energy associated with motion
  12. macromolecule serving as a catalyst

20 Clues: capacity to cause change • macromolecule serving as a catalyst • study of energy flow through organism • type of energy associated with motion • totality of an organism's chemical reactions • energy amount of energy needed to begin reaction • chemical agent that speeds up a chemical reaction • metabolic pathway that synthesizes complex molecules • ...

Chapter 10 Vocabulary 2023-02-16

Chapter 10 Vocabulary crossword puzzle
Across
  1. Conversion of light energy from the sun into chemical energy.
  2. a chemical equation in which mass is conserved; each side of the equation has the same number of atoms of each element
  3. a chemical change in which two or more substances react to form a single new substance
  4. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  5. A chemical reaction that breaks down compounds into simpler products.
  6. The elements or compounds produced by a chemical reaction.
  7. the quantity of energy transferred as heat during a chemical reaction
  8. A reaction that will proceed without any outside energy
  9. a chemical equation that includes the enthalpy change
  10. mass is neither created nor destroyed
Down
  1. the process by which one or more substances change to produce one or more different substances
  2. Chemical reaction in which absorbs heat
  3. the enthalpy change that accompanies the formation of a substance from the most stable forms of its component elements
  4. a double replacement reaction that produces an insoluble solid
  5. a reaction in which two or more substances combine to form a new compound
  6. A form of potential energy that is stored in chemical bonds between atoms.
  7. A long molecule consisting of many similar or identical monomers linked together.
  8. Chemical Reaction in which energy is primarily given off in the form of heat
  9. A starting material in a chemical reaction
  10. the barrier between the reactants and the products, the thing that the catalyst has to get past
  11. a chemical process that combines several monomers to form a polymer or polymeric compound

21 Clues: mass is neither created nor destroyed • Chemical reaction in which absorbs heat • A starting material in a chemical reaction • a chemical equation that includes the enthalpy change • A reaction that will proceed without any outside energy • The elements or compounds produced by a chemical reaction. • Conversion of light energy from the sun into chemical energy. • ...

Chemical Reactions 2025-04-29

Chemical Reactions crossword puzzle
Across
  1. the starting substance that undergoes change in a chemical reaction
  2. a substance that speeds up a chemical reaction without being consumed in it
  3. Reaction a chemical reaction involving both reduction and oxidation processes
  4. the new substance formed as a result of a chemical reaction
  5. a reaction that releases heat energy to the surroundings
  6. the gradual destruction of metals by reaction with moisture, air, or chemicals
  7. the chemical decomposition of a substance by passing an electric current through it
  8. Displacement Reaction a reaction in which one element replaces another in a compound
  9. Equation a chemical equation that shows only the symbols and formulas of the reactants and products without balancing
  10. the gain of electrons or loss of oxygen by a substance in a chemical reaction
Down
  1. Chemical Equation a chemical equation in which the number of atoms of each element is equal on both sides
  2. a reaction that absorbs heat energy from the surroundings
  3. a decomposition reaction caused by the absorption of light
  4. Reactions a process in which one or more substances are converted into new substances with different properties
  5. Reaction a reaction in which a single compound breaks down into two or more simpler substances
  6. Reaction a reaction in which two or more substances combine to form a single product
  7. a decomposition reaction brought about by heat

17 Clues: a decomposition reaction brought about by heat • a reaction that releases heat energy to the surroundings • a reaction that absorbs heat energy from the surroundings • a decomposition reaction caused by the absorption of light • the new substance formed as a result of a chemical reaction • the starting substance that undergoes change in a chemical reaction • ...

demetri arguello crossword 2017-03-01

demetri arguello crossword crossword puzzle
Across
  1. compound is a chemical compound that contains exactly two different elements.
  2. A half-reaction in which a chemical species decreases its oxidation number
  3. cause (a substance) to be deposited in solid form from a solution.
  4. analysis or breakdown is the separation of a chemical compound into elements or simpler compounds
  5. ion is a charged chemical species (ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit
  6. equation A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formula
  7. A number or symbol multiplied with a variable or an unknown quantity in an algebraic term
  8. A synthesis reaction or direct combination reaction is one of the most common types of chemical reactions
Down
  1. replacement is a type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound
  2. Products are the species formed from chemical reactions.
  3. replacement is a type of chemical reaction where two compounds react
  4. the process or result of oxidizing or being oxidized.
  5. chemical decomposition produced by passing an electric current through a liquid or solution containing ions.
  6. consisting of two atoms.
  7. is the amount of product obtained in a chemical reaction.
  8. A burning candle is an example of a combustion reaction.
  9. is a substance that speeds up a chemical reaction
  10. a substance that takes part in and undergoes change during a reaction.
  11. related to, similar to, or dissolved in water.

19 Clues: consisting of two atoms. • related to, similar to, or dissolved in water. • is a substance that speeds up a chemical reaction • the process or result of oxidizing or being oxidized. • Products are the species formed from chemical reactions. • A burning candle is an example of a combustion reaction. • is the amount of product obtained in a chemical reaction. • ...

Chemical Reaction Vocabulary 2025-01-02

Chemical Reaction Vocabulary crossword puzzle
Across
  1. A measure of chemical reaction's efficiency
  2. The type of of ratios found in chemical reactions
  3. a chemical reaction in which two or more compounds form a new product
  4. Equation An equation of a chemical reaction in which the number of atoms are the same for products and reactants
  5. The state of matter with definite shape and definite volume
  6. A reaction in which one element is substituted for another
  7. A reaction in which a compound breaks down into two or more simpler substances
  8. The beginning Compounds and molecules that change in a chemical reaction
  9. The numbers placed in front of reactants and products
  10. State of matter with constant volume and changing shape
  11. The final results of a chemical reaction
Down
  1. A reaction in which both reactants switch partners to form two new compounds
  2. Burning in the presence of Oxygen, giving off heat and light
  3. A chemical compound was dissolved in water
  4. Thermal energy related to temperature
  5. The series of metals arranged from highest to lowest activity
  6. Reaction changing substances by breaking reactant bonds and forming new bonds for products
  7. The law of "____" states mass in neither created nor destroyed by chemical changes
  8. State of matter that has changing shape and volume

19 Clues: Thermal energy related to temperature • The final results of a chemical reaction • A chemical compound was dissolved in water • A measure of chemical reaction's efficiency • The type of of ratios found in chemical reactions • State of matter that has changing shape and volume • The numbers placed in front of reactants and products • ...

Unit 6 Vocab Crossword (By Ryan Corallo) 2024-06-04

Unit 6 Vocab Crossword (By Ryan Corallo) crossword puzzle
Across
  1. During the chemical reaction the atoms are aligned when colliding.
  2. A chemical reaction can only occur between particles when they collide (hit each other).
  3. A particle is a small portion of matter.
  4. An equation that has an equal number of atoms of each element on both the sides of the equation .
  5. A process that leads to the chemical transformation of one set of chemical substances to another.
  6. A substance that is present at the end of a chemical reaction.
  7. The amount of a substance in a defined space.
  8. The force exerted by gaseous molecules as they collide with the walls of their container.
Down
  1. A measure of the quantity of moles of a product formed in relation to the reactant consumed
  2. A group of two or more atoms held together by attractive forces known as chemical bonds.
  3. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  4. When a single element is replaced by another element that is part of a compound(Ex. AB + C → A + BC)
  5. area The area of the chemical components utilized in a chemical reaction
  6. Changes in conditions such as pressure, temperature or concentration that can affect the rate or direction of a chemical reaction.
  7. A substance that changes when it is combined with another substance in a chemical reaction.
  8. When two elements are replaced by each other in a compound equation(Ex. AB + CD → AC + BD)
  9. A measure of the average amount of energy of motion or kinetic energy.
  10. A reaction in which a compound breaks down into two or more simpler substances(Ex. AB → A + B)
  11. A chemical reaction that occurs between an acid and a base(Ex. Acid + Base → Salt + Water)
  12. Production of chemical compounds by reaction from simpler materials(Ex. A + B → AB)

20 Clues: A particle is a small portion of matter. • The amount of a substance in a defined space. • A substance that is present at the end of a chemical reaction. • During the chemical reaction the atoms are aligned when colliding. • A measure of the average amount of energy of motion or kinetic energy. • ...

science choice board 2023-12-06

science choice board crossword puzzle
Across
  1. a chemical reaction that has to do with electricity
  2. big number in the front of a chemical equation
  3. negative found in the electron cloud
  4. have luster,malleable,solid,conductive, ductile
  5. law of action and reaction
  6. a chemical reaction that has to do with food and batteries
  7. a chemical reaction that has to do with movement
  8. f=ma
  9. a chemical reaction that has to do with atoms
  10. the parts that go up and down on the periodic table
  11. net force equals 0
  12. not force is greater then 0
  13. positive and found in the nucleus of an atom
  14. have luster,not malleable,not durable,and semiconductive
Down
  1. F/M
  2. brittle solids, not malleable gaseous, not conductive
  3. a chemical reaction that has to do with light
  4. a chemical reaction that has to do with heat
  5. neutral found in the nucleus of an atom
  6. an object in motion stays in motion or an object at rest stays at rest
  7. vertical lines of the periodic table
  8. distance/time
  9. MxA
  10. small number found on a chemical equation
  11. F/A

25 Clues: F/M • MxA • F/A • f=ma • distance/time • net force equals 0 • law of action and reaction • not force is greater then 0 • negative found in the electron cloud • vertical lines of the periodic table • neutral found in the nucleus of an atom • small number found on a chemical equation • a chemical reaction that has to do with heat • positive and found in the nucleus of an atom • ...

Chapter 6 Vocabulary 2013-11-19

Chapter 6 Vocabulary crossword puzzle
Across
  1. any chemical change in which one species is oxidized (loses electrons) and another species is reduced (gains electrons) also called redox reaction
  2. a type of protein that speeds up metabolic reactions in plants and animals without being permanently changed or destroyed
  3. a reaction in which a single compound breaks down to form 2 or more simpler substances
  4. a substance that forms in a chemical reaction
  5. a substance that changes the rate of chemical reaction without being consumed or changed significantly
  6. a part substance or element that lies beneath and supports another part substance or element the reactant in reactions catalyzed by enzymes
  7. a reaction in which one element or radical takes the place of another element or radical in a compound
  8. a chemical reaction in which heat is released to the surroundings
Down
  1. the process in which an electric current is used to produce a chemical reaction such as the decomposition of water
  2. a reaction in which a gas solid precipitate, or molecular compound forms from the apparent exchange of atoms or Ions between 2 compounds
  3. an organic group that has one or more electrons available for bonding
  4. a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  5. chemical reaction that requires heat.
  6. a reaction in which 2 or more substances combine to form a new compound
  7. the oxidation reaction of an organic compound in which heat is released
  8. a substance or molecule that participates in a chemical reaction.
  9. a state of balance in which the rate of a forward reaction equals the rate of the reverse reaction and the concentrations of products and reactants remain unchanged
  10. Energy the energy released when a chemical compound reacts to produce new compounds
  11. the relative number of moles of the substances required to produce a given amount of product in a chemical reaction

19 Clues: chemical reaction that requires heat. • a substance that forms in a chemical reaction • a substance or molecule that participates in a chemical reaction. • a chemical reaction in which heat is released to the surroundings • an organic group that has one or more electrons available for bonding • ...

demetri arguello crossword 2017-03-01

demetri arguello crossword crossword puzzle
Across
  1. replacement is a type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound
  2. A half-reaction in which a chemical species decreases its oxidation number
  3. related to, similar to, or dissolved in water.
  4. equation A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formula
  5. cause (a substance) to be deposited in solid form from a solution.
  6. A burning candle is an example of a combustion reaction.
  7. chemical decomposition produced by passing an electric current through a liquid or solution containing ions.
  8. ion is a charged chemical species (ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit
  9. the process or result of oxidizing or being oxidized.
  10. is the amount of product obtained in a chemical reaction.
Down
  1. compound is a chemical compound that contains exactly two different elements.
  2. A synthesis reaction or direct combination reaction is one of the most common types of chemical reactions
  3. consisting of two atoms.
  4. Products are the species formed from chemical reactions.
  5. a substance that takes part in and undergoes change during a reaction.
  6. replacement is a type of chemical reaction where two compounds react
  7. A number or symbol multiplied with a variable or an unknown quantity in an algebraic term
  8. analysis or breakdown is the separation of a chemical compound into elements or simpler compounds
  9. is a substance that speeds up a chemical reaction

19 Clues: consisting of two atoms. • related to, similar to, or dissolved in water. • is a substance that speeds up a chemical reaction • the process or result of oxidizing or being oxidized. • Products are the species formed from chemical reactions. • A burning candle is an example of a combustion reaction. • is the amount of product obtained in a chemical reaction. • ...

Enzymes Vocabulary 2022-10-28

Enzymes Vocabulary crossword puzzle
Across
  1. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  2. a chemical reaction that absorbs heat
  3. turns on an enzyme
  4. a chemical reaction that releases heat
  5. the part of the enzyme that binds to the substrate molecule
  6. the amount of energy required to start a chemical reaction
  7. the type of macromolecule an enzyme is
  8. blocks an enzyme from being able to function
Down
  1. the amount of substrate available for a chemical reaction
  2. what is made at the end of a chemical reaction
  3. the molecule that binds to an enzyme to undergo a chemical change
  4. Protein that helps speed up chemical reactions in cells.
  5. the chemical reaction that breaks polymers apart; the reaction can be facilitated by enzymes
  6. damage done to a protein
  7. the chemical reaction that makes polymers by joining monomers; the reaction can be facilitated by enzymes
  8. the suffix for most enzymes

16 Clues: turns on an enzyme • damage done to a protein • the suffix for most enzymes • a chemical reaction that absorbs heat • a chemical reaction that releases heat • the type of macromolecule an enzyme is • blocks an enzyme from being able to function • what is made at the end of a chemical reaction • Protein that helps speed up chemical reactions in cells. • ...

Ducksters Chemical Reactions 2024-04-29

Ducksters Chemical Reactions crossword puzzle
Across
  1. reaction where one substance breaks down into two new substances
  2. propelled by reaction of liquid hydrogen and liquid oxygen
  3. this rusts
  4. _______ and reagents do chemical reactions
  5. reaction producing energy in the form of heat
  6. reaction where two substances combine to make something new
  7. used to slow down reaction
Down
  1. any substance created by a chemical reaction
  2. used to speed up reaction
  3. quick chemical reaction
  4. these do photosynthesis
  5. every time you do this, your body breaks down food into energy
  6. reaction ______, speed of chemical reactions
  7. get their power from a combustion chemical reaction
  8. chemical reaction wood does
  9. adding this to a reaction increases the reaction rate

16 Clues: this rusts • quick chemical reaction • these do photosynthesis • used to speed up reaction • used to slow down reaction • chemical reaction wood does • _______ and reagents do chemical reactions • any substance created by a chemical reaction • reaction ______, speed of chemical reactions • reaction producing energy in the form of heat • ...

Chemical Reactions 2024-03-28

Chemical Reactions crossword puzzle
Across
  1. amount of energy needed for a reaction to start
  2. outermost electrons of an atom
  3. how the "arrow" in a chemical reaction is read
  4. type of chemical equation that has the same number of atoms of each element on both sides of the arrow
  5. starting substances
  6. the number in front each substance in a reaction (can be change)
  7. type of chemical reaction where a complex reaction breaks down into simple products
  8. number of elements in a compound (can not be changed)
  9. ending substances
  10. every element has a _________ represented by 1 or 2 letters
Down
  1. a _____ reaction occurs when one or more substances are converted into new substance
  2. anything that has mass and takes up space
  3. type of reaction that involves oxygen and produces heat & light
  4. used to speed up the rate of a reaction
  5. 7 elements that will always have a subscript 2 if not in a compound
  6. a substance dissolved in water
  7. using chemical formulas to describe a chemical reaction
  8. type of chemical equation that is not balanced
  9. type of chemical reaction where 2 or more reactants combine to make 1 product

19 Clues: ending substances • starting substances • outermost electrons of an atom • a substance dissolved in water • used to speed up the rate of a reaction • anything that has mass and takes up space • how the "arrow" in a chemical reaction is read • type of chemical equation that is not balanced • amount of energy needed for a reaction to start • ...

Physical Science Mod 19 2024-05-02

Physical Science Mod 19 crossword puzzle
Across
  1. an insoluble compound that comes out of a solution during a double-displacement reaction
  2. a reaction in which the positive ion of one compound replaces the positive ion of the other compound to form two new compounds
  3. a reaction that absorbs thermal energy
  4. a change in which one or more substances are converted into new substances
  5. the force that holds two atoms together
  6. a substance that slows down chemical reactions
  7. a number that shows how many units of a substance take part in a reaction
  8. a substance that speeds up a chemical reactions without being used up
  9. force acting on a surface
  10. a reaction that releases thermal energy
  11. a loss of electrons during a chemical reaction
  12. the new substances that are produced in a chemical reaction
  13. 6.022 x 1023 particles of a substance
  14. chemical shorthand that uses symbols to tell what elements are in a compound and their ratios
  15. states atoms, ions, and molecules must collide to react
Down
  1. a way to describe a chemical reaction using chemical formulas and other symbols
  2. a reaction in which one element replaces another element in a compound
  3. the physical forms in which all matter exists, most commonly solid, liquid, and gas
  4. rate at which reactants change to products
  5. a gain of electrons during a chemical reaction
  6. a reaction in which two or more substances combine to form another substance
  7. a reaction that absorbs energy
  8. a reaction in which a substance reacts with oxygen to produce heat and light
  9. a reaction in which one substance breaks down, or decomposes, into two or more substances
  10. when a stress is applied at equilibrium, the reaction proceeds in the direction opposite the stress
  11. the substances that react in a chemical reaction
  12. a reaction that releases energy
  13. a reaction that can occur in both the forward and reverse directions
  14. a chemical equation that has the same number of atoms of each element on both sides
  15. the mass of one mole of a substance in grams
  16. a state in which forward and reverse reactions proceed at the same rate

31 Clues: force acting on a surface • a reaction that absorbs energy • a reaction that releases energy • 6.022 x 1023 particles of a substance • a reaction that absorbs thermal energy • the force that holds two atoms together • a reaction that releases thermal energy • rate at which reactants change to products • the mass of one mole of a substance in grams • ...

key terms 2022-03-18

key terms crossword puzzle
Across
  1. a chemical reaction that breaks down compounds into simpler products
  2. a material that releases energy when it burns
  3. system a system in which matter can enter from or escape to the surrounding
  4. property
  5. the amount of one material in a certain volume of another material
  6. a biological catalyst that lowers the activation energy of reaction in cells
  7. that has mass and take up space
  8. a substance formed as a result of a chemical reaction
  9. a chemical reaction in which two or more simple substance combine to form a new,more complex substance
  10. reaction in which substance undergo chemical change that result in the formation of a new substance
  11. a material that decreases the rate of a reaction
  12. a material that increases the rate of a reaction by lowering the activation energy
Down
  1. a number in front of a chemical formula in a equation that indicates how many molecules or atom of each reactant and product are involved in a reaction
  2. reaction that releases energy in the form of heat.
  3. of mass the principle stating that matter is not created or destroyed during a chemical reaction
  4. a rapid reaction between oxygen and fuel that results in fire
  5. a reaction in which one element replaces another in a compound.
  6. the study of the properties of matter and how matter change
  7. reaction that absorbs energy in the form of heat.
  8. property a substance that describes its ability to change into different substances
  9. system a system in which no matter is allowed to enter or leave
  10. energy the minimum amount of energy needed to get a chemical reaction started
  11. equation a short way to show a chemical reaction using symbols.
  12. a substance that enters into a chemical reaction

24 Clues: property • that has mass and take up space • a material that releases energy when it burns • a material that decreases the rate of a reaction • a substance that enters into a chemical reaction • reaction that absorbs energy in the form of heat. • reaction that releases energy in the form of heat. • a substance formed as a result of a chemical reaction • ...

Chapter 6 Vocabulary 2013-11-19

Chapter 6 Vocabulary crossword puzzle
Across
  1. an organic group that has one or more electrons available for bonding
  2. any chemical change in which one species is oxidized (loses electrons) and another species is reduced (gains electrons) also called redox reaction
  3. a substance that changes the rate of chemical reaction without being consumed or changed significantly
  4. a reaction in which a single compound breaks down to form 2 or more simpler substances
  5. a substance that forms in a chemical reaction
  6. the oxidation reaction of an organic compound in which heat is released
  7. chemical reaction that requires heat.
  8. a type of protein that speeds up metabolic reactions in plants and animals without being permanently changed or destroyed
  9. the process in which an electric current is used to produce a chemical reaction such as the decomposition of water
  10. a state of balance in which the rate of a forward reaction equals the rate of the reverse reaction and the concentrations of products and reactants remain unchanged
  11. a reaction in which a gas solid precipitate, or molecular compound forms from the apparent exchange of atoms or Ions between 2 compounds
  12. Energy the energy released when a chemical compound reacts to produce new compounds
Down
  1. a part substance or element that lies beneath and supports another part substance or element the reactant in reactions catalyzed by enzymes
  2. a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  3. a substance or molecule that participates in a chemical reaction.
  4. a reaction in which one element or radical takes the place of another element or radical in a compound
  5. a chemical reaction in which heat is released to the surroundings
  6. a reaction in which 2 or more substances combine to form a new compound
  7. the relative number of moles of the substances required to produce a given amount of product in a chemical reaction

19 Clues: chemical reaction that requires heat. • a substance that forms in a chemical reaction • a substance or molecule that participates in a chemical reaction. • a chemical reaction in which heat is released to the surroundings • an organic group that has one or more electrons available for bonding • ...

Stoichiometry Chem Menu Unit 3 2023-10-17

Stoichiometry Chem Menu Unit 3 crossword puzzle
Across
  1. You can change the ... of a chemical equation to make it balanced
  2. (aq) is a chemical reaction means it is a state of ...
  3. above the arrow in a chemical reaction when a triangle is shown it means
  4. reactant that is left over after the reaction is done
  5. reactant that is fully finished (ran out) after the reaction is done
  6. In a chemical equation this is used to ... reactants/products,symbol +
  7. It measures the effectiveness of a chemical reaction
  8. excess reactant minus final amount of excess reactant equals amount of excess reactant that ...
  9. When counting significant figures count from left to right at first non-zero digit
  10. (l) is a chemical reaction means it is a state of ...
Down
  1. Atoms are neither created nor destroyed during any chemical reaction, law of ...
  2. amount of product that is produced
  3. (g) is a chemical reaction means it is a state of ...
  4. The markings on your piece of equipment are known as the ... value
  5. (s) is a chemical reaction means it is a state of ...
  6. one place past the last marking on your piece of equipment is known as the ... value
  7. When counting significant figures count from right to left at first non-zero digit
  8. In a chemical equation this separates reactants ... products,symbol R -> P
  9. The known value and the estimated value is known as ... figures
  10. You cant change the ... of a chemical equation to make it balanced

20 Clues: amount of product that is produced • It measures the effectiveness of a chemical reaction • (g) is a chemical reaction means it is a state of ... • (s) is a chemical reaction means it is a state of ... • reactant that is left over after the reaction is done • (l) is a chemical reaction means it is a state of ... • ...

Chapter 8 vocab 2022-05-05

Chapter 8 vocab crossword puzzle
Across
  1. molecule that contains at least one unpaired electron
  2. is a reaction in which one element is substituted for another element in a compound.
  3. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  4. a biological catalyst and is almost always a protein.
  5. any chemical reaction that absorbs heat from its environment. The absorbed energy provides the activation energy for the reaction to occur. A hallmark of this type of reaction is that it feels cold.
  6. the substance on which an enzyme acts.
  7. a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.
  8. The species formed from chemical reactions. During a chemical reaction, reactants are transformed into products after passing through a high energy transition state.
  9. a type of chemical reaction that involves a transfer of electrons between two species.
  10. A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
Down
  1. a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.
  2. two or more chemical species combine to form a more complex product
  3. the ratio between the amounts in moles of any two compounds involved in a chemical reaction
  4. the symbolic representation of a chemical reaction in the form of symbols and formulas
  5. When a chemical reaction happens, energy is transferred to or from the surroundings. When energy is transferred to the surroundings, and the temperature of the surroundings increases.
  6. process by which electric current is passed through a substance to effect a chemical change. The chemical change is one in which the substance loses or gains an electron
  7. A substance that takes part in and undergoes change during a reaction.
  8. a reaction in which a compound breaks down into two or more simpler substances.

18 Clues: the substance on which an enzyme acts. • molecule that contains at least one unpaired electron • a biological catalyst and is almost always a protein. • two or more chemical species combine to form a more complex product • A substance that takes part in and undergoes change during a reaction. • ...

Stoichiometry Vocab 2022-01-20

Stoichiometry Vocab crossword puzzle
Across
  1. when the reactants are equal to the products
  2. percent by mass of each element in a compound
  3. the mass of one mole of atoms or molecules
  4. 1 mole = 6.022 x 10²²
  5. a balanced mixture of fuel and oxidizer, no excess of either remains after combustion
  6. a weighted average of the masses of each naturally occurring isotope of an element
  7. percentage of the theoretical yield that was actually attained
  8. when a complex substance forms into a simpler one
  9. when one element is replaced by another
  10. the specific number of each type of atom in a molecule
  11. positive and negative ions switch places to form two new compounds
Down
  1. shows the mass-to-charge ratio of one or more molecules in a sample
  2. numerical relationships among chemical quantities in a balanced chemical equation
  3. when simpler substances turn into complex by combining
  4. the max amount of product in a chemical reaction based on the amount of limiting reactant
  5. determines the amount of product formed in a chemical reaction
  6. equation that represents chemical reactions
  7. the results of a chemical reaction
  8. the smallest whole number ratio of atoms
  9. the chemist´s "dozen"
  10. a conversion factor for compounds in a chemical reaction
  11. the substance at the start of a chemical reaction

22 Clues: 1 mole = 6.022 x 10²² • the chemist´s "dozen" • the results of a chemical reaction • when one element is replaced by another • the smallest whole number ratio of atoms • the mass of one mole of atoms or molecules • equation that represents chemical reactions • when the reactants are equal to the products • percent by mass of each element in a compound • ...

Chemical Reactions Vocab 2023-03-09

Chemical Reactions Vocab crossword puzzle
Across
  1. a reaction in which 2 or more substances react to form a single substance
  2. a reaction in which a compound breaks down into two or more simpler substances
  3. the new substances that are formed as a result of a chemical reaction
  4. a substance that affects the reaction rate without being used in the reaction
  5. a reaction in which a substance reacts rapidly with oxygen, often producing heat and light
  6. a reaction in which electrons are transferred from one reactant to another
  7. a reaction in which two different compounds exchange positive ions and form 2 new compounds
  8. a chemical reaction that absorbs energy from its surroundings
  9. a reaction in which the conversion of reactants into products and the conversion of products into reactants can happen simultaneously
Down
  1. the numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant to the product
  2. a reaction in which one element take the place of an other element in a compound
  3. a representation of a chemical reaction in which reactants and products are expressed as formulas
  4. a chemical reaction that releases energy into its surroundings
  5. the rate at which reactants change into reactants change into products
  6. the substances that undergo change in a chemical reaction
  7. a state in which the forward and reverse paths of change take place at the same rate
  8. the energy stored in the chemical bonds of a substance

17 Clues: the energy stored in the chemical bonds of a substance • the substances that undergo change in a chemical reaction • a chemical reaction that absorbs energy from its surroundings • a chemical reaction that releases energy into its surroundings • the new substances that are formed as a result of a chemical reaction • ...

Chapter 14 & 15 Vocabulary. 2013-12-10

Chapter 14 & 15 Vocabulary. crossword puzzle
Across
  1. / a substance or molecule that participates in a chemical reaction.
  2. / a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products.
  3. / an ionic compound that forms when a metal atom replaces the hydrogen of an acid.
  4. / a combination of chemical symbols and numbers to represent a substance.
  5. / the law that states that energy cannot be created or destroyed but can be changed from one form to another.
  6. / any compound that increases the number of hydronium ions when dissolved in water.
  7. / a solid that is produced as a result of a chemical reaction in solution.
  8. / any compound that increases the number of hydroxide ions when dissolved in water.
Down
  1. / a chemical reaction that requires heat.
  2. / a substance that changes the rate of a chemical reaction without being used up or changed very much.
  3. / the law that states that mass cannot be created or destroyed in ordinary chemical or physical changes.
  4. / a chemical reaction in which heat is released to the surroundings.
  5. / a compound that can reversibly change color depending on conditions such as pH
  6. / a substance that forms in a chemical reaction.
  7. / the minimum amount of energy required to start a chemical reaction.
  8. Reaction / the reaction of an acid and a base to form a neutral solution of water and a salt
  9. / a solid that is produced as a result of a chemical reaction in a solution.
  10. Reaction / the process by which one or more substances change to produce one or more different substances
  11. / a value that is used to express the acidity or basicity (alkalinity) of a system.

19 Clues: / a chemical reaction that requires heat. • / a substance that forms in a chemical reaction. • / a substance or molecule that participates in a chemical reaction. • / a chemical reaction in which heat is released to the surroundings. • / the minimum amount of energy required to start a chemical reaction. • ...

Chapter 11 vocab 2025-01-31

Chapter 11 vocab crossword puzzle
Across
  1. ratio a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
  2. an equation that shows dissolved ionic compounds as dissociated free ions
  3. A solid that forms from a solution during a chemical reaction.
  4. a chemical change in which a single compound is broken down into two or more simpler products
  5. the measured amount of a product that is actually obtained from a reaction
  6. a chemical reaction that occurs when the atoms of one element replace the atoms of another element in a compound
  7. a chemical equation in which mass is conserved; each side of the equation has the same number of atoms of each element
  8. A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound
  9. a chemical reaction between two compounds where the positive ion of one compound is exchanged with the positive ion of another compound
Down
  1. a list of elements organized according to the ease with which the elements undergo certain chemical reactions
  2. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  3. a reactant that remains after a chemical reaction stops
  4. the mass in grams of one mole of a substance
  5. the number of moles of solute per liter of solution
  6. a chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light
  7. A type of protein that speeds up a chemical reaction in a living thing
  8. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  9. a reaction in which two or more substances combine to form a new compound
  10. the maximum amount of product that can be produced from a given amount of reactant
  11. case in which the mole amounts of each substance in a balanced chemical equation are proportionate
  12. the ratio of the actual yield to the theoretical yield for a chemical reaction expressed as a percentage; a measure of the efficiency of a reaction
  13. A measurement of how much solute exists within a certain volume of solvent
  14. the substance that controls the quantity of product that can form in a chemical reaction
  15. the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
  16. substance that speeds up the rate of a chemical reaction

25 Clues: the mass in grams of one mole of a substance • the number of moles of solute per liter of solution • a reactant that remains after a chemical reaction stops • substance that speeds up the rate of a chemical reaction • A solid that forms from a solution during a chemical reaction. • A type of protein that speeds up a chemical reaction in a living thing • ...

Chemical Reactions 2023-01-18

Chemical Reactions crossword puzzle
Across
  1. the combination of capital and lowercase letters which represent a chemical element
  2. a chemical change & reaction in which electrons are gained, either by the removal of oxygen, the addition of hydrogen, or the addition of electrons
  3. a reaction where a carbon compound reacts with oxygen to form carbon dioxide and water
  4. symbols which represent a diatomic molecule or a binary compound of 2 or more element
  5. the big number in front of a symbol
  6. a reaction in which an acid and a base react in an aqueous solution to produce a salt and water
  7. equation a chemical equation in which mass is conserved and there are equal numbers of atoms of each element on both sides of the equation
  8. a reaction where 2 compounds react to make new cation/anion pairs
  9. a chemical reaction in which energy is absorbed
  10. a combination of symbols and chemical formulas used to describe what happens in a chemical reaction
Down
  1. a reaction that happens when a compound breaks down into simpler substances
  2. same number of atoms of each element on both sides of equation
  3. occurs when chemical bonds between atoms are formed or broken
  4. a chemical reaction that releases energy, usually in the form of heat
  5. the small number next to a symbol
  6. on the right side of a chemical equation
  7. a reaction where 1 element replaces another element that is part of a compound
  8. a reaction where 2 substances make a single compound
  9. on the left side of a chemical equation
  10. name of the arrow shaped symbol in a chemical equation

20 Clues: the small number next to a symbol • the big number in front of a symbol • on the left side of a chemical equation • on the right side of a chemical equation • a chemical reaction in which energy is absorbed • a reaction where 2 substances make a single compound • name of the arrow shaped symbol in a chemical equation • ...

Chemical Reactions 2022-11-09

Chemical Reactions crossword puzzle
Across
  1. the number in front of a chemical formula that tells how many molecules are present
  2. two or more elements chemically combined in a set ratio
  3. a substance that slows down a chemical reaction
  4. a substance that enters into a chemical reaction
  5. energy that is stored and ready to be used
  6. a substance that speeds up a chemical reaction
  7. two or more atoms chemically combined
  8. a solid formed from a solution in a chemical reaction
  9. a pure substance that cannot be broken down
  10. energy of motion
  11. a reaction in which substances break down
Down
  1. the amount of one material in a given volume of another material
  2. a reaction in which substances are combined
  3. a substance formed as a result of a chemical reaction
  4. the minimum energy required to start a chemical reaction
  5. the smallest particle of matter
  6. the number you can NOT change when balancing chemical equations
  7. a reaction in which substances trade places

18 Clues: energy of motion • the smallest particle of matter • two or more atoms chemically combined • a reaction in which substances break down • energy that is stored and ready to be used • a reaction in which substances are combined • a reaction in which substances trade places • a pure substance that cannot be broken down • a substance that speeds up a chemical reaction • ...

physical science semester 1 project 2022-12-15

physical science semester 1 project crossword puzzle
Across
  1. bond between a metal and nonmetal
  2. properties that can be observed without changing the composition of the substance
  3. an equal sharing of electrons between two atoms
  4. an unequal sharing of electrons between two atoms
  5. occurs when the atoms of a substance are rearranged to produce something new
  6. the substances that form in a chemical reaction
  7. A chemical reaction form new products
  8. a bond between a nonmetal and
  9. Occurs when two or more element or compounds combines to form a single larger molocule
  10. Matter changes form but not chemical idenity
  11. the speed of chemical reactions
  12. properties that can be observed by changing the composition of the substance
  13. Written form of a chemical reaction
  14. electrons on the outermost shell
Down
  1. equal sharing of electrons between two atoms
  2. all particals of matter exert forces of attraction on one another
  3. The amount of energy required to pull a chemical equation apart
  4. the substances that react in a chemical reaction
  5. all particles of matter are constantly in motion
  6. Chemical reaction that absorbs energy
  7. Energy required to start a chemical reaction
  8. Chemical reaction that releases energy
  9. attraction between a metal cation and the shared electrons that surround it

23 Clues: a bond between a nonmetal and • the speed of chemical reactions • electrons on the outermost shell • bond between a metal and nonmetal • Written form of a chemical reaction • A chemical reaction form new products • Chemical reaction that absorbs energy • Chemical reaction that releases energy • equal sharing of electrons between two atoms • ...

Types Of Reactions - Gowtham 10S 2025-05-01

Types Of Reactions - Gowtham 10S crossword puzzle
Across
  1. A process in which a substance loses oxygen or gains hydrogen.
  2. The new substances formed after a chemical reaction.
  3. A representation of a chemical reaction using the names of the reactants and products.
  4. The slow oxidation of fats and oils resulting in the change of smell and taste in them..
  5. A reaction in which ions or group of atoms are exchanged between two compounds forming new compounds.
  6. A reaction in which a more reactive element replaces a less reactive one from its compound.
  7. A decomposition reaction that involve the use of light energy.
  8. A reaction where two or more substances combine to form a single product.
  9. A chemical reaction that occur by the absorption of heat.
  10. The chemical decomposition of a substance using electrical energy.
  11. The slow degradation of metals due to reactions with moisture, air, or chemicals, like rusting.
Down
  1. A substance that helps reduction by removing oxygen or donating hydrogen.
  2. A decomposition reaction that takes place using heat.
  3. A process in which one or more substances are transformed into new substances.
  4. A chemical equation that shows only the formulas of the reactants and products without balanced quantities.
  5. A chemical equation with equal numbers of each type of atom on both sides.
  6. The substances that take part and undergo change in a chemical reaction.
  7. A reaction where a single reactant breaks down into two or more products.
  8. A substance that increases the rate of a chemical reaction without itself undergoing any change.
  9. A chemical reaction that is accompanied by the evolution of heat
  10. A substance that helps oxidation by donating oxygen or removing hydrogen.
  11. A reaction that involves both oxidation and reduction happening simultaneously.
  12. A process in which a substance gains oxygen or loses hydrogen.

23 Clues: The new substances formed after a chemical reaction. • A decomposition reaction that takes place using heat. • A chemical reaction that occur by the absorption of heat. • A process in which a substance loses oxygen or gains hydrogen. • A decomposition reaction that involve the use of light energy. • A process in which a substance gains oxygen or loses hydrogen. • ...

Unit 3 Part 1 Vocabulary BONUS POINT OPPORTUNITY 2021-10-20

Unit 3 Part 1 Vocabulary BONUS POINT OPPORTUNITY crossword puzzle
Across
  1. an empirical, calculated, and structurally analytical progression of a series of metals, arranged by their "reactivity" from highest to lowest.
  2. two or more chemical species combine to form a more complex product: A + B → AB.
  3. reactions or processes that release energy, usually in the form of heat or light.
  4. the quantity of a product obtained from a chemical reaction.
  5. reactions that require external energy, usually in the form of heat, for the reaction to proceed.
  6. equation has equal numbers of atoms for each element involved in the reaction are represented on the reactant and product sides.
  7. an insoluble solid that emerges from a liquid solution.
  8. contain two atoms that are chemically bonded.
  9. A reaction or chemical reaction is a chemical change which forms new substances.
  10. a substance that is formed as the result of a chemical reaction.
  11. Solid that dissolves in a liquid, usually water
Down
  1. A chemical reaction is a chemical change which forms new substances.
  2. a chemical reaction where two reactant ionic compounds exchange ions to form two new product compounds with the same ions.
  3. a constant term related to the properties of a product.
  4. solid that doesn't dissolve in a liquid
  5. when oxygen reacts with another substance and gives off heat and light.
  6. the law of conservation of mass says that in a chemical reaction, the mass of the products equals the mass of the reactants.
  7. a reaction in which one element is substituted for another element in a compound.
  8. solid,liquid,water,gas
  9. a conversion factor between compounds in a chemical reaction, that is derived from the coefficients of the compounds in a balanced equation.
  10. a chemical reaction in which one reactant breaks down into two or more products.
  11. what reaction will take place when two chemicals are mixed.

22 Clues: solid,liquid,water,gas • solid that doesn't dissolve in a liquid • contain two atoms that are chemically bonded. • Solid that dissolves in a liquid, usually water • a constant term related to the properties of a product. • an insoluble solid that emerges from a liquid solution. • what reaction will take place when two chemicals are mixed. • ...

Chapter 5 vocabulary 2020-02-06

Chapter 5 vocabulary crossword puzzle
Across
  1. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction
  2. A type of protein that spreads up a chemical reaction in a living thing a biological catalyst
  3. The amount of one material in a certain volume of another material
  4. A reaction in which one element replaces another in a compound or when two elements in different compounds trade places
  5. reaction, A reaction that absorbs energy
  6. A Substance that enters into a chemical reaction
  7. energy, The minimum amount of energy needed to start a chemical reaction
  8. change, A change that alters the form or appearance of material but does not make the material into another substance
  9. system, A system in which no matter is allowed to enter or leave
Down
  1. a material that decreases the rate of a reaction
  2. A solid that forms a solution during a chemical reaction
  3. A chemical reaction in which two or more simple substances combine to form a new more complex substances
  4. change, A change in which one or more substances combine or break apart to new substance.
  5. A chemical reaction that breaks down compounds into simpler products
  6. A substance formed as a result of a chemical reaction
  7. reaction, A reaction that releases energy usually in the form of heat
  8. conservation mass, the principle that the total amount of matter is neither created nor destroyed during any chemical or physical change
  9. A solid in which the atoms arranged in a pattern that repeats again and again
  10. equation, A short easy way shows a chemical reaction using symbols.
  11. system, A system in which can enter from or escape to the surroundings

20 Clues: reaction, A reaction that absorbs energy • a material that decreases the rate of a reaction • A Substance that enters into a chemical reaction • A substance formed as a result of a chemical reaction • A solid that forms a solution during a chemical reaction • system, A system in which no matter is allowed to enter or leave • ...

Chapter 5 vocabulary 2020-02-06

Chapter 5 vocabulary crossword puzzle
Across
  1. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction
  2. A type of protein that spreads up a chemical reaction in a living thing a biological catalyst
  3. The amount of one material in a certain volume of another material
  4. A reaction in which one element replaces another in a compound or when two elements in different compounds trade places
  5. reaction, A reaction that absorbs energy
  6. A Substance that enters into a chemical reaction
  7. energy, The minimum amount of energy needed to start a chemical reaction
  8. change, A change that alters the form or appearance of material but does not make the material into another substance
  9. system, A system in which no matter is allowed to enter or leave
Down
  1. a material that decreases the rate of a reaction
  2. A solid that forms a solution during a chemical reaction
  3. A chemical reaction in which two or more simple substances combine to form a new more complex substances
  4. change, A change in which one or more substances combine or break apart to new substance.
  5. A chemical reaction that breaks down compounds into simpler products
  6. A substance formed as a result of a chemical reaction
  7. reaction, A reaction that releases energy usually in the form of heat
  8. conservation mass, the principle that the total amount of matter is neither created nor destroyed during any chemical or physical change
  9. A solid in which the atoms arranged in a pattern that repeats again and again
  10. equation, A short easy way shows a chemical reaction using symbols.
  11. system, A system in which can enter from or escape to the surroundings

20 Clues: reaction, A reaction that absorbs energy • a material that decreases the rate of a reaction • A Substance that enters into a chemical reaction • A substance formed as a result of a chemical reaction • A solid that forms a solution during a chemical reaction • system, A system in which no matter is allowed to enter or leave • ...

Chapter 2 Vocabulary Crossword Puzzle 2022-03-21

Chapter 2 Vocabulary Crossword Puzzle crossword puzzle
Across
  1. a solid that forms a solution during a chemical reaction
  2. the process in which substances undergo chemical changes that result in the formation of new substances
  3. a characteristic of a substance that can be observed or measured without changing the identity of the substance
  4. An easy way to show a chemical reaction using symbols
  5. a biological catalyst that lowers the activation energy of of reactions in cells
  6. anything that has mass and occupies space
  7. a material that releases energy energy when it burns
  8. a chemical reaction that breaks down compounds into simpler products
  9. a change to the physical properties of a substance.
  10. the amount of one material in a certain volume of another material
Down
  1. the study of the properties of matter and how matter changes
  2. a reaction that releases energy in the form of heat
  3. a material that decreases the rate of a reaction
  4. The principle stating that matter is not created or destroyed during a chemical reaction
  5. a system in which no matter is allowed to enter or leave
  6. a chemical reaction in which two or more simple substances combine to form a new, more complex substance
  7. a number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction
  8. chemical reactions in which the reactants absorb heat energy from the surroundings to form products.
  9. a rapid reaction between oxygen and fuel that results in fire
  10. a characteristic of a substance that describes its ability to change into different substances
  11. a system in which matter can enter from or escape to the surroundings
  12. the minimum amount of energy needed to get a chemical reaction started
  13. a substance that enters into a chemical reaction
  14. a substance formed as a result of a chemical reaction
  15. a material that increases the rate of reaction by lowering the activation energy

25 Clues: anything that has mass and occupies space • a material that decreases the rate of a reaction • a substance that enters into a chemical reaction • a reaction that releases energy in the form of heat • a change to the physical properties of a substance. • a material that releases energy energy when it burns • An easy way to show a chemical reaction using symbols • ...