Characteristics of the element
| Symbol: K |
| Name: Potassium |
| Latin name: Kalium |
| Atomic number: 19 |
| Atomic mass: 39,0383 |
| Melting point: 63,65 (°C) |
| Boiling point: 760 (°C) |
| Density 0,862 (g/cm 3 ) |
| Electronegativity: 0,91 |
| Oxidation number: I |
| Number of neutrons: 20 |
| Crystal structure: Cubic |
| Chemical serie: Alkali metals |
| Color: silver |
| Electron configuration: 2-8-8-1 |
| Year of discovery:: 1807 |
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Update: 26.11.25
Update: 26.11.25