| A | B |
|---|
| reactants | materials before a reaction |
| products | materials after a reaction |
| endothermic | reaction that absorbs heat |
| exothermic | reaction that releases heat |
| left | reactants are on the ______ |
| right | products are on the ________ |
| atoms | _______ combine to form molecules |
| catalyst | compound that speeds up a reaction |
| coefficient | large number at the beginning of a formula |
| subscript | small number to the right (# of atoms) |
| synthesis | reaction where two elements combine |
| decomposition | reaction where a compound breaks down |
| single displacement | reaction where one element replaces another |
| double displacement | reaction where two elements switch places |
