Sodium
Alkali metal| Atomic number | 11 |
|---|---|
| Category | Alkali metal |
| Atomic mass | 22.99 |
| Electron configuration | [Ne]3s¹ |
| Oxidation states | +1 |
| Electronegativity | 0.93 |
| Melting point | 97.8 °C |
| Boiling point | 883 °C |
| Density | 0.968 g/cm³ |
| Crystal structure | Body-centred cubic |
| Group | 1 |
| Period | 3 |
| Block | s |
| Discovered | 1,807 |
| Crustal abundance | 23,600 ppm |
