Argon vs Germanium
| Property | Ar Argon | Ge Germanium |
|---|---|---|
| Atomic number | 18 | 32 |
| Symbol | Ar | Ge |
| Name | Argon | Germanium |
| Category | noble-gas | metalloid |
| Standard Atomic Weight | 39.948 u | 72.63 u |
| Period | 3 | 4 |
| Group | 18 | 14 |
| Block | p | p |
| Phase at STP | gas | solid |
| Electron configuration | [Ne]3s23p6 | [Ar]4s23d104p2 |
| Oxidation states | [0] | [-4, -3, -2, -1, 0, 1, 2, 3, 4] |
| Electronegativity (Pauling) | N/A | 2.01 |
| Electron affinity | -1 eV | 1.232 eV |
| Density | 1.7837 kg/m³ | 5323.4 kg/m³ |
| Melting point | -189.35 °C | 938.25 °C |
| Boiling point | -185.85 °C | 2832.85 °C |
| Discovery year | 1894 | 1886 |