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Oganesson (Og)
Atomic number: 118 · Category: unknown, predicted to be noble gas · Group 18 · Period 7 · Phase: Solid
Oganesson is IUPAC's name for the transactinide element with the atomic number 118 and element symbol Og. It is also known as eka-radon or element 118, and on the periodic table of the elements it is a p-block element and the last one of the 7th period. Oganesson is currently the only synthetic member of group 18.
Block: p
Electronic structure
Electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p6
Configuration (semantic): *[Rn] 5f14 6d10 7s2 7p6
Shells: 2, 8, 18, 32, 32, 18, 8
Electron affinity: 5.40318
Periodic position
Group: 18
Period: 7
xpos: 18
ypos: 7
Spectral/Bohr images
Image
3D Model