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.
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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