| A | B |
|---|
| anion | any atom or group of atoms that has a negative charge |
| ionic compounds | compounds composed of metal cations and nonmetal anions |
| binary compound | composed of two elements and can be either ionic or molecular |
| monatomic ion | an ion consisting of a single atom with a positive or negative charge |
| cation | any atom or group of atoms that has a positive charge |
| polyatomic ion | a tightly bound group of atoms that behaves as a unit and carries a charge |
| naming binary ionic compounds | place cation name first followed by the anion name |
| naming polyatomic containing ionic compounds | place name of polyatomicor monatomic cation first followed by polyatomic or monatomic anion |
| mono- | prefix meaning 1 |
| tetra- | prefix meaning 4 |
| hepta- | prefix meaning 7 |
| octa- | prefix meaning 8 |
| nona- | prefix meaning 9 |
| deca- | prefix meaning 10 |
| anhydrous | without water |
