Zinc vs Roentgenium
| Property | Zn Zinc | Rg Roentgenium |
|---|---|---|
| Atomic number | 30 | 111 |
| Symbol | Zn | Rg |
| Name | Zinc | Roentgenium |
| Category | transition-metal | transition-metal |
| Standard Atomic Weight | 65.38 u | 281 u |
| Period | 4 | 7 |
| Group | 12 | 11 |
| Block | s | s |
| Phase at STP | solid | N/A |
| Electron configuration | [Ar]4s23d10 | [Rn] 7s2 5f14 6d9(predicted) |
| Oxidation states | [-2, 0, 1, 2] | [-1, 1, 3, 5] |
| Electronegativity (Pauling) | 1.65 | N/A |
| Electron affinity | -0.6 eV | 1.6 eV |
| Density | 7134 kg/m³ | 2.870000e+4 kg/m³ |
| Melting point | 419.53 °C | -273.15 °C |
| Boiling point | 906.85 °C | -273.15 °C |
| Discovery year | 1746 | 1994 |