Nihonium (Nh)
Nihonium (Nh) is element 113, a post-transition metal. Atomic mass 286, configuration [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹. Properties, isotopes, oxidation states, uses and history, with an interactive 3D atom model.
Key facts
| Atomic number | 113 |
|---|---|
| Symbol | Nh |
| Standard atomic weight | 286 |
| Category | Post-transition Metal |
| Group | 13 |
| Period | 7 |
| Electron configuration | [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹ |
| Valence electrons | 3 |
| Common oxidation states | +1 |
| Common ions | No common ions |
Common uses
- Research only
Where it matters
- First element discovered in Asia
Hazards
- Radioactive
History
| Discovered | 2003 |
|---|---|
| Discovered by | RIKEN (Japan) |
| Name | From Nihon (Japan) |