Oxygen vs Germanium
| Property | O Oxygen | Ge Germanium |
|---|---|---|
| Atomic number | 8 | 32 |
| Symbol | O | Ge |
| Name | Oxygen | Germanium |
| Category | nonmetal | metalloid |
| Standard Atomic Weight | 15.9994 u | 72.63 u |
| Period | 2 | 4 |
| Group | 16 | 14 |
| Block | p | p |
| Phase at STP | gas | solid |
| Electron configuration | [He]2s22p4 | [Ar]4s23d104p2 |
| Oxidation states | [-2, -1, 0, 1, 2] | [-4, -3, -2, -1, 0, 1, 2, 3, 4] |
| Electronegativity (Pauling) | 3.44 | 2.01 |
| Electron affinity | 1.4611 eV | 1.232 eV |
| Density | 1.429 kg/m³ | 5323.4 kg/m³ |
| Melting point | -218.79 °C | 938.25 °C |
| Boiling point | -182.95 °C | 2832.85 °C |
| Discovery year | 1771 | 1886 |