Rhodium vs Cadmium
| Property | Rh Rhodium | Cd Cadmium |
|---|---|---|
| Atomic number | 45 | 48 |
| Symbol | Rh | Cd |
| Name | Rhodium | Cadmium |
| Category | transition-metal | transition-metal |
| Standard Atomic Weight | 102.9055 u | 112.414 u |
| Period | 5 | 5 |
| Group | 9 | 12 |
| Block | s | s |
| Phase at STP | solid | solid |
| Electron configuration | [Kr]5s14d8 | [Kr]5s24d10 |
| Oxidation states | [-3, -1, 1, 2, 3, 4, 5, 6, 7] | [-2, 1, 2] |
| Electronegativity (Pauling) | 2.28 | 1.69 |
| Electron affinity | 1.137 eV | -0.7 eV |
| Density | 1.240000e+4 kg/m³ | 8690 kg/m³ |
| Melting point | 1963.85 °C | 321.07 °C |
| Boiling point | 3694.85 °C | 766.85 °C |
| Discovery year | 1803 | 1817 |