Compare Element Properties
| Property | Kr Krypton | ? N/A |
|---|---|---|
| Atomic number | 36 | N/A |
| Symbol | Kr | N/A |
| Name | Krypton | N/A |
| Category | noble-gas | N/A |
| Standard Atomic Weight | 83.798 u | N/A |
| Period | 4 | N/A |
| Group | 18 | N/A |
| Block | p | N/A |
| Phase at STP | gas | N/A |
| Electron configuration | [Ar]4s23d104p6 | N/A |
| Oxidation states | [0, 1, 2] | N/A |
| Electronegativity (Pauling) | 3 | N/A |
| Electron affinity | -1 eV | N/A |
| Density | 3.733 kg/m³ | N/A |
| Melting point | -157.36 °C | N/A |
| Boiling point | -153.42 °C | N/A |
| Discovery year | 1898 | N/A |