Krypton
Electron Configuration
|
General Properties
| Atomic Symbol | Kr |
| Atomic Weight | 83.80 g/mol |
| Element Number | 36 |
| Standard State | Gas |
| Standard Type | Neutral |
| Date of Discovery | 1898 |
| Discoverer | Ramsay & Travers |
Physical Properties
| Oxidation States | 0,2 |
| Boiling Point | 120.85 K |
| Melting Point | 116 K |
| Density | 1.784 (Gas 273K g/l) |
| Electron Configuration | [Ar]3d10,4s2,p8 |
| Acid/Base Properties | -- |
| Crystal Structure | Cubic, face centered |
| Electronegativity | -- |
| Heat of Vaporization | 9.029 kJ/mol |
| Heat of Fusion | 1.638 kJ/mol |
| Electrical Conductivity | -- |
| Thermal Conductivity | 0.00949 Wm-¹K-¹ (at 300 K) |
| Specific Heat Capacity | 0.248 Jg-¹K-¹ (at 300 K) |
| First Ionization Potential | 13.999 |
| Atomic Volume | 32.2 cm³/mol |
| Atomic Radius | 1.03 Å |
| Covalent Radius | 1.89 Å |
| Synthetic | No |