| A | B |
|---|
| Name | Definition |
| chemical property | the ability or inability of a substance to combine with or change into one or more new substances |
| chemical change | the change of one or more substances into other substances |
| dissolving | a process in which substances mix evenly with one another |
| physical property | any characteristic of a material that can be observed without changing the identity of the material itself |
| law of conservation of mass | states that the total mass before a chemical reaction is the same as the total mass after the reaction |
| reactant | the starting materials in a chemical reaction |
| products | new substances that result from a chemical reaction |
| diatomic molecule | a molecule that contains two atoms |
| coefficient | a number placed in front of a symbol or a formula in a chemical equation that tells how many atoms, molecules, or formula units take part in the reaction |
| molecule | a neutral particle in which atoms share electrons |
| law of conservation of energy | states that energy is neither created nor destroyed in chemical reactions |
| exothermic process | a process that releases energy as heat, light, and sound |
| endothermic process | absorbs energy |
| chemical bond | a force that holds atoms together in a compound |
