About the sample | This is a commercial sample from one of our laboratories. In order to prevent reaction of sodium with the air moisture it is packed in an ampoule under an argon atmosphere. |
| Z | 11 |
| ρ / g/cm3 | 0.968 |
| tt, mp / °C | 97.72 |
| tv, bp / °C | 883 |
| Ar | 22.989 |
| Electronegativity, (X) | 0.93 |
| Crystal structure | Cubic |
| Extended information | https://www.webelements.com/sodium/ |