| Attribute | Value |
|---|---|
| Symbol | Na |
| Standard state | Solid |
| Atomic mass | 22.9897693 u |
| Electron configuration | [Ne]3s¹ |
| Oxidation states |
|
| Electronegativity (pauling scale) | 0.93 |
| Atomic radius (van der waals) | 227 pm |
| Ionization energy | 5.139 eV |
| Electron affinity | 0.548 eV |
| Melting point | 370.95 K |
| Boiling point | 1156 K |
| Density | 0.97 g/cm³ |
| Atomic number | 11 |
| Group name | Alkali metal |
| Discovered | 1807 year |