| A | B |
| Chemical Reaction | a change in which one or more substances are converted into new substances. |
| Reactants | substances that react |
| Products | the new substances produced |
| Chemical Equation | a way to describe a chemical reaction using chemical formulas and other symbols |
| Balanced Chemical Equation | the same number of atoms of each element on both sides of the equation |
| Synthesis Reaction | two or more substances combine to form another substance |
| Decomposition Reaction | occurs when one substance breaks down into two or more substances |
| Single-Displacement Reaction | when one element replaces another element in a compound |
| Double-Displacement Reaction | the positive ion of one compound replaces the positive ion of the other to form twonew compounds |
| Combustion Reaction | occurs when a substance reacts with oxygen to produce energy in the form of heat and light |