Boron vs Nihonium
| Property | B Boron | Nh Nihonium |
|---|---|---|
| Atomic number | 5 | 113 |
| Symbol | B | Nh |
| Name | Boron | Nihonium |
| Category | metalloid | post-transition-metal |
| Standard Atomic Weight | 10.8135 u | 286 u |
| Period | 2 | 7 |
| Group | 13 | 13 |
| Block | p | p |
| Phase at STP | solid | solid |
| Electron configuration | [He]2s22p1 | [Rn] 5f14 6d10 7s2 7p1(predicted) |
| Oxidation states | [-5, -1, 0, 1, 2, 3] | N/A |
| Electronegativity (Pauling) | 2.04 | N/A |
| Electron affinity | 0.27972 eV | 0.6 eV |
| Density | 2370 kg/m³ | 1.600000e+4 kg/m³ |
| Melting point | 2074.85 °C | 426.85 °C |
| Boiling point | 3999.85 °C | 1156.85 °C |
| Discovery year | 1808 | 2004 |