| Krypton | |
| Elemental State | Kr |
| Electron Configuration | 1s22s22p63s23p63d104s24p6 |
| First Ionization Potential | 14.000 eV |
| Electron Affinity | |
| Z* | 9.769 (Clementi-Raimondi) |
| Pauling Electronegativity | |
| Covalent Radius | 1.15 Å |
| Metallic Radius | |
| Ionic Radius | |
| van der Waal's Radius | 2.02 Å |
| Melting Point | –157.36 oC |
| Boiling Point | –153.22 oC |
| Density | 3.733 g/L (0 oC) |
| Other Properties | |