|
| Potassium |
| Atomic number | 19 |
|---|---|
| Atomic weight | 39.0983 |
| Discovery (year) | 1807 |
| Atomic radius (A) | 2.26 |
| Melting point (oC) | 63.5 |
| Boiling point (oC) | 765.5 |
| Density (g/cm3) | 0.86 |
| Specific heat (cal/g oC) | 0.177 |
| Ionization potential (eV) | 4.341 |
| Electron Affinity (eV) | 0.5012 |