The Periodic Table of Elements
11
Na
Sodium
22.98976928(2) amu
Additional Information:
| State | Group Block | Density | Atomic Radius | Electron Affinity | Ionization Energy | Melting Point | Boiling Point | Year Discovered |
|---|---|---|---|---|---|---|---|---|
| solid | alkali metal | 0.968 kg/L | 154 pm | -53 | 496 kJ/mol | 371 °K | 1156 °K | 1807 |
