| A | B |
|---|
| a substance that speeds up a chemical reaction without being changed itself | catalyst |
| a chemical reaction that releases thermal energy | exothermic |
| one element displaces another in a chemical reaction | single displacement |
| a precipitate, water, or gas is formed during this reaction between two ionic compounds in solution | double displacement |
| breakdown of a substance into two or more simpler substances | decomposition |
| substance to the left of the arrow in a chemical equation | reactant |
| on the right of the arrow in a chemical equation | products |
| a reaction that requires energy in order to take placey | endothermic |
| a substance that slows down a chemical reaction | inhibitor |
| equation with same number of atoms of each element on each side | balanced |
| numbers used in front of symbols and formulas in a equation | coefficients |
| two or more elements or compounds combine to form a new substance | synthesis |
