| A | B |
|---|
| Balanced chemical equation | A chemical equation that has the same number of atoms of each element on both sides of the equation. |
| Catalyst | A substance that speeds a chemical reaction without itself being permanently changed. |
| Chemical Reaction | A change in which one or more substances are converted to different substances. |
| Chlorofluorocarbon | A group of compounds whose decomposition released chlorine atoms that destroy ozone molecules in the upper atmosphere. |
| Coefficient | In a chemical equation, the number that represents the number of units of each substance taking part in a chemical reaction. |
| Decomposition reaction | A chemical reaction in which a substance breaks down into two or more simpler substances. |
| Double-displacement reaction | A chemical reaction in which two ionic compounds in solution react, formin a precipitate, gas, or water. |
| Endothermic reaction | A reaction in which energy is absorbed. |
| Exothermic reaction | A reaction in which energy is released. |
| Inhibitor | A substance that slows or prohibits a chemical reaction. |
| Precipitate | An insoluble compound formed during a double-displacement reaction. |
| Product | In a chemical reaction, the substances produced by the reaction. |
| Reactant | The starting substances in a chemical reaction. |
| Single-displacement reaction | A chemical reaction in which one element replaces another element in a compound. |
| Synthesis reaction | A chemical reaction in which two or more substances combine to form a different substance. |
