Oganesson

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

Oganesson (Og) is chemical element 118, a noble gas in group 18, period 7 (PubChem).

Atomic number: 118
Symbol: Og
Group: 18
Period: 7
Atomic mass: 295.216 u
Electron configuration: [Rn]7s2 7p6 5f14 6d10 (predicted)
Oxidation states: +6, +4, +2, +1, 0, -1
Standard state: Expected to be a Gas
Chemical group: Noble gas
Year discovered: 2006

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