Lithium vs Aluminum
| Property | Li Lithium | Al Aluminum |
|---|---|---|
| Atomic number | 3 | 13 |
| Symbol | Li | Al |
| Name | Lithium | Aluminum |
| Category | alkali-metal | post-transition-metal |
| Standard Atomic Weight | 6.9675 u | 26.981538 u |
| Period | 2 | 3 |
| Group | 1 | 13 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [He]2s1 | [Ne]3s23p1 |
| Oxidation states | [1] | [-2, -1, 0, 1, 2, 3] |
| Electronegativity (Pauling) | 0.98 | 1.61 |
| Electron affinity | 0.61804 eV | 0.4328 eV |
| Density | 534 kg/m³ | 2700 kg/m³ |
| Melting point | 180.5 °C | 660.287 °C |
| Boiling point | 1341.85 °C | 2518.85 °C |
| Discovery year | 1817 | 1825 |