Rubidium vs Livermorium
| Property | Rb Rubidium | Lv Livermorium |
|---|---|---|
| Atomic number | 37 | 116 |
| Symbol | Rb | Lv |
| Name | Rubidium | Livermorium |
| Category | alkali-metal | post-transition-metal |
| Standard Atomic Weight | 85.4678 u | 293 u |
| Period | 5 | 7 |
| Group | 1 | 16 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Kr]5s1 | [Rn] 7s2 7p4 5f14 6d10(predicted) |
| Oxidation states | [-1, 1] | [-2, 2, 4] |
| Electronegativity (Pauling) | 0.82 | N/A |
| Electron affinity | 0.4859 eV | 0.7 eV |
| Density | 1530 kg/m³ | 1.290000e+4 kg/m³ |
| Melting point | 39.31 °C | 506.85 °C |
| Boiling point | 687.85 °C | 861.85 °C |
| Discovery year | 1861 | 2000 |