118Og294

Oganesson

Noble gasesBlock pPeriod 7Group 18unknown at 20 °C
Configuration :[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶
Atomic mass :294 u
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Modèle de Bohr · pédagogique

Electron configuration

Full[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶
Short[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶
Valence electrons8
KLMNOPQ shells
K2
L8
M18
N32
O32
P18
Q8

Electronegativity

Pauling
Allen
Mulliken (eV)

Atomic radii

Empirical
Calculated
Covalent
Van der Waals

Successive ionisation energies

I₁860.1 kJ/mol
Electron affinity

Oxidation states

-10+1+2+4+6
Bold states = most common.
Period 7Block pIUPAC Group 18Family Noble gases
Sources : NIST Atomic Weights & Isotopic Compositions, IUPAC Recommendations, CODATA. Methodology