Roentgenium vs Livermorium
| Property | Rg Roentgenium | Lv Livermorium |
|---|---|---|
| Atomic number | 111 | 116 |
| Symbol | Rg | Lv |
| Name | Roentgenium | Livermorium |
| Category | transition-metal | post-transition-metal |
| Standard Atomic Weight | 281 u | 293 u |
| Period | 7 | 7 |
| Group | 11 | 16 |
| Block | s | p |
| Phase at STP | N/A | solid |
| Electron configuration | [Rn] 7s2 5f14 6d9(predicted) | [Rn] 7s2 7p4 5f14 6d10(predicted) |
| Oxidation states | [-1, 1, 3, 5] | [-2, 2, 4] |
| Electronegativity (Pauling) | N/A | N/A |
| Electron affinity | 1.6 eV | 0.7 eV |
| Density | 2.870000e+4 kg/m³ | 1.290000e+4 kg/m³ |
| Melting point | -273.15 °C | 506.85 °C |
| Boiling point | -273.15 °C | 861.85 °C |
| Discovery year | 1994 | 2000 |