Germanium vs Zirconium
| Property | Ge Germanium | Zr Zirconium |
|---|---|---|
| Atomic number | 32 | 40 |
| Symbol | Ge | Zr |
| Name | Germanium | Zirconium |
| Category | metalloid | transition-metal |
| Standard Atomic Weight | 72.63 u | 91.224 u |
| Period | 4 | 5 |
| Group | 14 | 4 |
| Block | p | s |
| Phase at STP | solid | solid |
| Electron configuration | [Ar]4s23d104p2 | [Kr]5s24d2 |
| Oxidation states | [-4, -3, -2, -1, 0, 1, 2, 3, 4] | [1, 2, 3, 4] |
| Electronegativity (Pauling) | 2.01 | 1.33 |
| Electron affinity | 1.232 eV | 0.426 eV |
| Density | 5323.4 kg/m³ | 6520 kg/m³ |
| Melting point | 938.25 °C | 1854.85 °C |
| Boiling point | 2832.85 °C | 4408.85 °C |
| Discovery year | 1886 | 1789 |