Germanium vs Cadmium
| Property | Ge Germanium | Cd Cadmium |
|---|---|---|
| Atomic number | 32 | 48 |
| Symbol | Ge | Cd |
| Name | Germanium | Cadmium |
| Category | metalloid | transition-metal |
| Standard Atomic Weight | 72.63 u | 112.414 u |
| Period | 4 | 5 |
| Group | 14 | 12 |
| Block | p | s |
| Phase at STP | solid | solid |
| Electron configuration | [Ar]4s23d104p2 | [Kr]5s24d10 |
| Oxidation states | [-4, -3, -2, -1, 0, 1, 2, 3, 4] | [-2, 1, 2] |
| Electronegativity (Pauling) | 2.01 | 1.69 |
| Electron affinity | 1.232 eV | -0.7 eV |
| Density | 5323.4 kg/m³ | 8690 kg/m³ |
| Melting point | 938.25 °C | 321.07 °C |
| Boiling point | 2832.85 °C | 766.85 °C |
| Discovery year | 1886 | 1817 |