| A | B |
|---|
| reactant | altered in a chemical reaction |
| polar | + and - charges |
| compound | when 2 or more elements join |
| hydrophobic | water-hating |
| element symbol | letters that represent an element |
| crystalline | repeating internal structure |
| product | formed in chemical reations |
| pH | potential hydrogen |
| formula | kind & # of atoms in a compound |
| buffer | receives acids or bases without change |
| atomic mass | average mass of 1 atom of an element |
| molecule | smallest particle |
| subatomic particles | parts of an atom |
| chemistry | study of matter & how it changes |
| chemical | atoms & molecules are rearranged |
