| A | B |
|---|
| Valence Electrons | Electrons in the highest occupied energy level |
| Octet Rule | Atoms will react to achieve 8 electrons in the outer energy level |
| Covalent Bonds | Electrons are shared |
| Molecular Formulas | Show the number and kinds of atoms present in a compound |
| Double Bonds | 2 pairs of electrons are shared |
| Triple Bonds | 3 pairs of electrons are shared |
| Electronegativity | Measure of the attraction for electrons in a shared pair |
| Hydrogen Bonding | Hydrogen of one molecule is attracted to at atom in another molecule |
| Cation | Positive Ion |
| Anion | Negative Ion |
