| name | Lithium |
| latin | Lithium |
| french | Lithium |
| german | Lithium |
| symbol | Li |
| proton number | 3 |
| atomic weight | 6.941 |
| Pauling electronegativity | 0.98 |
| electronic configuration | [He] 2s1 1s22s1 |
| melting point | 453.69 K, 180.54°C, 356.97°F |
| boiling point | 1615 K, 1342°C, 2447°F |
| group | 1 |
| period | 2 |
| state (by 20°C) | solid |
| oxidation states | +1 |
| Year of discovery | Discoverer |
| 1817 | Johan August Arfwedson (1792-1841) |