Nihonium

Document v1 · published by Koskamo · updated 2026-10-04

Nihonium (Nh) is chemical element 113, a post-transition metal in group 13, period 7 (PubChem).

Atomic number: 113
Symbol: Nh
Group: 13
Period: 7
Atomic mass: 286.182 u
Electron configuration: [Rn]5f14 6d10 7s2 7p1 (predicted)
Standard state: Expected to be a Solid
Chemical group: Post-transition metal
Year discovered: 2004

Source and provenance

Original source: pubchem.ncbi.nlm.nih.gov
Published on Koskamo by: Koskamo
Citation version: Document v1
Reuse: PubChem periodic table data (NIH/NLM, pubchem.ncbi.nlm.nih.gov/ptable); group and period from Jefferson Lab via PubChem

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Version history

Published by Koskamo2026-10-04
Version 1