Fermium vs Livermorium
| Property | Fm Fermium | Lv Livermorium |
|---|---|---|
| Atomic number | 100 | 116 |
| Symbol | Fm | Lv |
| Name | Fermium | Livermorium |
| Category | actinide | post-transition-metal |
| Standard Atomic Weight | 257 u | 293 u |
| Period | 7 | 7 |
| Group | N/A | 16 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Rn] 5f12 7s2 | [Rn] 7s2 7p4 5f14 6d10(predicted) |
| Oxidation states | [2, 3] | [-2, 2, 4] |
| Electronegativity (Pauling) | 1.3 | N/A |
| Electron affinity | 0.339 eV | 0.7 eV |
| Density | 9700 kg/m³ | 1.290000e+4 kg/m³ |
| Melting point | 1526.85 °C | 506.85 °C |
| Boiling point | -273.15 °C | 861.85 °C |
| Discovery year | 1952 | 2000 |