Nh
Nihonium
Element 113 · 286.182 u
Unknown Properties
p-block
Period 7
Group 13
Unknown at RT
Radioactive
t½ 9.5 seconds
Synthetic
Wikipedia →
Nihonium is the first element discovered in East Asia.
Physical Properties
| Atomic Mass | 286.182 u |
| Density | 16.0 g/cm³ |
| Melting Point | 700.0 K |
| Boiling Point | 1400.0 K |
| Appearance | Metallic (predicted) |
| State at Room Temp | Unknown |
Chemical Properties
| Oxidation States | +1, +3, +5 |
Atomic Properties
| Electron Configuration | [Rn] 5f14 6d10 7s2 7p1 |
Discovery
| Discovered By | Kosuke Morita and others (RIKEN) |
| Discovery Year | 2004 |
| Location | Wako, Saitama, Japan |
| Named After | Japanese 'Nihon' meaning Japan |
About Nihonium
Nihonium was created at the RIKEN Nishi-na Center in Japan by bombarding bismuth with zinc ions. It is expected to be a post-transition metal similar to thallium.
Uses & Applications
No practical applications. Scientific research only.
Fun Fact
Nihonium is the first element discovered in Asia. Its name comes from 'Nihon,' meaning 'Land of the Rising Sun.'
Isotopes
| Mass Number | Abundance | Half-Life | Stable |
| 284 | - | 0.48 seconds | No |
| 286 | - | 9.5 seconds | No |
Electron Configuration
[Rn] 5f14 6d10 7s2 7p1