Nihonium (Nh) — Element 113: Properties & Data | Aladdin Scientific
Nihonium(Nh) — Element 113
Nihonium (Nh) is a post-transition metal with atomic number 113 and atomic mass 286.182. It sits in group 13 and period 7 of the periodic table and was discovered in 2004.
Key facts
| Atomic mass | 286.1820 u |
|---|---|
| Electron configuration | [Rn]5f14 6d10 7s2 7p1 (predicted) |
| Standard state | Solid (expected) |
| Year discovered | 2004 |
Frequently asked questions
What is the electron configuration of nihonium?
The ground-state electron configuration of nihonium is [Rn]5f14 6d10 7s2 7p1 (predicted).
What group and period is nihonium in?
Nihonium (Nh) is in group 13 and period 7 of the periodic table, classified as a post-transition metal.
What is the standard state of nihonium?
Nihonium is a solid (expected) at standard temperature and pressure.
When was nihonium discovered?
Nihonium was discovered in 2004.
Related elements
About this data: property values compiled from IUPAC Standard Atomic Weights (2021), the NIST Atomic Spectra Database, and PubChem. Curated by the Aladdin Scientific technical team. Last reviewed: .