Germanium vs Roentgenium
| Property | Ge Germanium | Rg Roentgenium |
|---|---|---|
| Atomic number | 32 | 111 |
| Symbol | Ge | Rg |
| Name | Germanium | Roentgenium |
| Category | metalloid | transition-metal |
| Standard Atomic Weight | 72.63 u | 281 u |
| Period | 4 | 7 |
| Group | 14 | 11 |
| Block | p | s |
| Phase at STP | solid | N/A |
| Electron configuration | [Ar]4s23d104p2 | [Rn] 7s2 5f14 6d9(predicted) |
| Oxidation states | [-4, -3, -2, -1, 0, 1, 2, 3, 4] | [-1, 1, 3, 5] |
| Electronegativity (Pauling) | 2.01 | N/A |
| Electron affinity | 1.232 eV | 1.6 eV |
| Density | 5323.4 kg/m³ | 2.870000e+4 kg/m³ |
| Melting point | 938.25 °C | -273.15 °C |
| Boiling point | 2832.85 °C | -273.15 °C |
| Discovery year | 1886 | 1994 |