113Nh286.182
Nihonium
Post-Transition Metal
Expected to be a Solid at STP
Period 7Group 13Block PDiscovered 2004
[Rn]5f14 6d10 7s2 7p1 (predicted)
Nihonium is a chemical element with atomic number 113. It has a symbol Nh. It is a synthetic element (an element that can be created in a laboratory but is not found in nature) and is extremely radioactive; its most stable known isotope, nihonium-286, has a half-life of 20 seconds.
📖 Read more on Wikipedia →Atomic Properties
| Atomic Number | 113 |
| Atomic Mass | 286.182 u |
| Electron Configuration | [Rn]5f14 6d10 7s2 7p1 (predicted) |
| Block | P |
Physical Properties
| Standard State | Expected to be a Solid |
Classification
| Category | Post-Transition Metal |
| Group Block | Post-transition metal |
| Period | 7 |
| Group | 13 |
| Block | P |
Discovery
| Year Discovered | 2004 |
| Discovered By | RIKEN |
| Electron Shells | 2, 8, 18, 32, 32, 18, 3 |