Og
Oganesson
Atomic number: 118Mass: 294 uCategory: Unknown
About Oganesson
Oganesson is the heaviest element on the periodic table, sitting at the end of period 7. It is named after nuclear physicist Yuri Oganessian. It is predicted to be a solid at room temperature unlike other noble gases, and may have unusual chemical properties.
Properties
Period
7
Group
18
Block
P
Category
Unknown
Electronegativity
N/A
Ionization Energy
Unknown
Melting Point
Unknown
Boiling Point
Unknown
Density
4.9 g/cm³
Oxidation States
-1, 0, +2, +4, +6
Electron Configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 6s² 6p⁶ 5f¹⁴ 6d¹⁰ 7s² 7p⁶
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶
Shell 1:2e⁻
Shell 2:8e⁻
Shell 3:18e⁻
Shell 4:32e⁻
Shell 5:32e⁻
Shell 6:18e⁻
Shell 7:8e⁻
Real-World Uses
Research only
Nuclear physics
No practical applications
Scientific studies
Fundamental science
Fun Fact
Oganesson is the heaviest element ever created — and despite being in the noble gas column, scientists predict it may actually form chemical compounds!