| A | B |
|---|
| Chemical reaction | The process by which one or more \substances undergo change to produce one or more diffferent substances |
| Chemical Formula | A shorthand notation for a compound or a diatomic element using chemical symbols and numbers |
| Chemical Equation | A shorthand description of a chemical reaction using chemical formulas and symbols |
| Reactants | The starting materials in a chemical reaction |
| Products | The substances formed from a chemical reaction |
| Law of Conservation of mass | The law that states that mass is neither created nor destoryed in ordinary chemical and physical changes |
| Synthesis Reaction | A reaction in which two or more substances combine to form a single compound |
| Decomposition Reaction | A reaction in which a single compound breaks down to form tow or more simplier substances |
| Single-replacement reaction | A reaction in which an element takes the place of another element in a compound |
| Double-replacement reaction | A reaction in which ions in two compound switch places |
| Exothermic | The term used to describe a physical or a chemical change in which energy is released or removed |
| Endothermic | The term used to describe a physical or a chemical change in which energy is absorbed |
| Law of conservation of energy | The law that states that energy is neither created nor destroyed |
| activation Energy | The minimum amount amount of energy needed for substances to react |
| Catalyst | A substance that speeds up a reaction without being permanently changed |
| Inhibitor | A substance that slows down or stops a chemical reaction |
