Quick Facts
| Property | Value |
|---|---|
| Symbol | Nh |
| Atomic Number | 113 |
| Atomic Mass | [286] u |
| Category | Post-Transition Metal |
| Period | 7 |
| Group | 13 |
| Block | p |
| Electron Configuration | [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹ |
History and Discovery
Discovered by: RIKEN (Kosuke Morita's team) Year of Discovery: 2004 (confirmed 2012) Location: Wako, Japan
Etymology
Named from "Nihon," the Japanese word for Japan.
Interesting Facts
- First element discovered in Asia
- Named after Japan ("Nihon")
- Predicted to resemble thallium
- Most stable isotope has about 20-second half-life
- Only about 10 atoms have been produced