118
Og
Oganesson
Oganesson
Oganesson (Og)
Noble Gases · Expected to be a gas · Period 7 · Group 18
Element Properties
- Atomic Number
- 118
- Symbol
- Og
- Atomic Mass
- 295.216
- Category
- Noble Gases
- Standard State
- Expected to be a gas
- Period
- 7
- Group
- 18
- Electronegativity
- —
- Atomic Radius
- —
- Ionization Energy
- —
- Electron Affinity
- —
- Oxidation States
- +6, +4, +2, +1, 0, -1
- Melting Point
- —
- Boiling Point
- —
- Density
- —
- Electron Configuration
- [Rn]7s2 7p6 5f14 6d10 (predicted)
- Year Discovered
- 2006
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Frequently asked questions
What is the atomic number of Oganesson?
The atomic number of Oganesson is 118, which equals the number of protons in its nucleus.
What is the atomic mass of Oganesson?
The atomic mass of Oganesson is approximately 295.216 u (one twelfth of the mass of a carbon-12 atom).
What is the electron configuration of Oganesson?
The electron configuration of Oganesson is [Rn]7s2 7p6 5f14 6d10 (predicted).
Where is Oganesson in the periodic table?
Oganesson is located in period 7, group 18.
When was Oganesson discovered?
Oganesson was discovered in 2006.
Related elements
Same group
2
He
Helium
4.003
10
Ne
Neon
20.18
18
Ar
Argon
39.9
36
Kr
Krypton
83.8
54
Xe
Xenon
131.29
86
Rn
Radon
222.018