Krypton vs Rhodium
| Property | Kr Krypton | Rh Rhodium |
|---|---|---|
| Atomic number | 36 | 45 |
| Symbol | Kr | Rh |
| Name | Krypton | Rhodium |
| Category | noble-gas | transition-metal |
| Standard Atomic Weight | 83.798 u | 102.9055 u |
| Period | 4 | 5 |
| Group | 18 | 9 |
| Block | p | s |
| Phase at STP | gas | solid |
| Electron configuration | [Ar]4s23d104p6 | [Kr]5s14d8 |
| Oxidation states | [0, 1, 2] | [-3, -1, 1, 2, 3, 4, 5, 6, 7] |
| Electronegativity (Pauling) | 3 | 2.28 |
| Electron affinity | -1 eV | 1.137 eV |
| Density | 3.733 kg/m³ | 1.240000e+4 kg/m³ |
| Melting point | -157.36 °C | 1963.85 °C |
| Boiling point | -153.42 °C | 3694.85 °C |
| Discovery year | 1898 | 1803 |