| A | B |
|---|
| Positive Ion | Atom that is missing one or more electrons |
| Negative ion | Atom that has one or more extra electrons |
| Ionic bonds | Electrons are transfered |
| Covalent bonds | Electrons are shared |
| Chemical bond | Electrostatic force holding atoms together |
| Chemical formula | Shorthand notation showing ratio of atoms or ions in a compound |
| Ionization energy | Energy needed to remove an electron from an atom |
| Polar-covalent bond | Electrons are not shared equally |
| Phosphide ion | Ion with a negative 3 charge |
| Sulfide ion | Ion with a negative 2 charge |
| Bromide ion | Ion with a negative 1 charge |
| Iron(II) ion | Ion with a positive 2 charge |
| Copper(I) ion | Ion with a positive 1 charge |
| Aluminum ion | Ion with a positive 3 charge |
| Penta | Prefix for 5 |
| Hexa | Prefix for 6 |
| Hepta | Prefix for 7 |
| Octa | Prefix for 8 |
| Alloy | Bronze for example |
| Steel | Composed of iron, carbon and various other elements |
