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113
Nh
[286]
Nihonium
Post-transition metals · Group 13 · Period 7
Atomic properties
| Atomic number | 113 |
|---|---|
| Symbol | Nh |
| Standard atomic weight | [286] |
| Classification | Post-transition metals |
| Group | 13 |
| Period | 7 |
| Block | p-block |
| Electron configuration | [Rn] 5f14 6d10 7s2 7p1 |
| Electronegativity (Pauling) | — |
| Common oxidation states | +1 |
Physical properties
| Phase at 20 °C | Solid |
|---|---|
| Density | 16 g/cm³ |
| Melting point | 430 °C |
| Boiling point | 1130 °C |
| Discovered | 2003 |
| CAS number | — |