| Sodium ✕ | |
|---|---|
| Symbol | Na |
| Atomic number | 11 |
| Chemical property | Alkali metal |
| Origin o the name | the English word soda (natrium in Latin) |
| Group | 1 |
| Period | 3 |
| Atomic weight (u) | 22.989769 |
| Atomic weight uncertainty (u) | 0 |
| Density (g/cm³) | 0.971 |
| Melting point (K) | 370.87 |
| Boiling point (K) | 1156 |
| Heat capacity (J/(g·K)) | 1.228 |
| Electro-negativity | 0.93 |
| Abundance in earth's crust (mg/kg) | 23600 |