118
Og
Oganesson
(294)
28183232188
#118

Oganesson

unknown· Solid·294 u

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.

Identity

Symbol
Og
Atomic Number
118
Atomic Mass
294 u
Category
unknown
Block
p-block
Period
7
Group
18
Year Discovered
2006 CE
Discovered By
Joint Institute for Nuclear Research
Named By
Yuri Oganessian

Electrons

Configuration
*[Rn] 5f14 6d10 7s2 7p6
Full Configuration
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p6
Shells
2, 8, 18, 32, 32, 18, 8
Electronegativity
n/a
Electron Affinity
5.40318
Oxidation States
+6, +4, +2, +1, 0, -1

Physical Properties

State at
Solid
Melting Point
n/a
Boiling Point
350
Density
4.95
Molar Heat
23501 J/(mol·K)
Crystal Structure
n/a
Magnetic Ordering
n/a

Mechanical

Thermal & Electrical

Abundance

Universe
0
Sun
0
Meteorite
0
Earth's Crust
4.9 ppm
Ocean
0
Human Body
0