Potassium
Electron Configuration
|
General Properties
| Atomic Symbol | K |
| Atomic Weight | 39.0983 g/mol |
| Element Number | 19 |
| Standard State | Solid |
| Standard Type | Strongly Basic |
| Date of Discovery | 1807 |
| Discoverer | Davy |
Physical Properties
| Oxidation States | 1 |
| Boiling Point | 1033 K |
| Melting Point | 336.8 K |
| Density | 0.86 g/cm³ |
| Electron Configuration | [Ar]4s1 |
| Acid/Base Properties | Basic |
| Crystal Structure | Cubic, body centered |
| Electronegativity | 0.82 |
| Heat of Vaporization | 76.9 kJ/mol |
| Heat of Fusion | 2.33 kJ/mol |
| Electrical Conductivity | 16.4 10^6omg-¹cm-¹ |
| Thermal Conductivity | 102.5 Wm-¹K-¹ (at 300 K) |
| Specific Heat Capacity | 0.757 Jg-¹K-¹ (at 300 K) |
| First Ionization Potential | 4.341 |
| Atomic Volume | 45.30 cm³/mol |
| Atomic Radius | 2.35 Å |
| Covalent Radius | 2.03 Å |
| Synthetic | No |