| A | B |
|---|
| ionic | uses oxidation numbers (charges) |
| covalent | uses number of valence electrons |
| metallic | when metals bond with metals |
| valence | number of electrons in outer shell |
| oxidation number | charge on resulting ion |
| crystal lattice | arrangement of ions in a compound |
| ionization energy | required to remove electrons |
| electron affinity | tendency to attract electrons |
| Mg + Cl | ionic |
| C + O | covalent |
