| A | B |
|---|
| chemical formula | shorthand that gives the elements and ratios |
| chemical reaction | change -- one or more substances into new substance |
| reactants | initial substance/s in chemical reaction |
| products | final substance from chemical reaction |
| chemical equation | way to describe chemical reaction using formulas & symbols |
| coefficient | number of units of each substance |
| balanced chemical equation | equation with same number of atoms of elements on both sides |
| mole | 6.02 x 10 23 |
| molar mass | mass in grams of one mole of substance |
