| The Alkali Metals | Melting Point (K) | Boiling Point (K) | Physical State at Room Temperature |
| Lithium | 454 | 1615 |
|
| Sodium | 371 | 1156 |
|
| Potassium | 336 | 1032 |
|
| Rubidium | 312 | 961 |
|
| Cesium | 301 | 944 |
|