Germanium vs Hafnium
| Property | Ge Germanium | Hf Hafnium |
|---|---|---|
| Atomic number | 32 | 72 |
| Symbol | Ge | Hf |
| Name | Germanium | Hafnium |
| Category | metalloid | transition-metal |
| Standard Atomic Weight | 72.63 u | 178.49 u |
| Period | 4 | 6 |
| Group | 14 | 4 |
| Block | p | s |
| Phase at STP | solid | solid |
| Electron configuration | [Ar]4s23d104p2 | [Xe]6s24f145d2 |
| Oxidation states | [-4, -3, -2, -1, 0, 1, 2, 3, 4] | [-2, 0, 1, 2, 3, 4] |
| Electronegativity (Pauling) | 2.01 | 1.3 |
| Electron affinity | 1.232 eV | 0.178 eV |
| Density | 5323.4 kg/m³ | 1.330000e+4 kg/m³ |
| Melting point | 938.25 °C | 2232.85 °C |
| Boiling point | 2832.85 °C | 4602.85 °C |
| Discovery year | 1886 | 1911 |