Symbol
Og
Atomic Number
118
Atomic Mass
294
Protons
118
Neutrons
176
Electrons
118
Type
Noble Gas
Isotopes
Oganesson-294
Discovery Year
2002
Discovered By
Joint Institute for Nuclear Research, Lawrence Livermore National Laboratory, and others
Group
18
Period
7
Boiling Point
Unknown
Melting Point
Unknown
Electron Configuration
[Rn] 7s² 5f¹⁴ 6d¹⁰ 7p⁶
Density (g/cm³)
4.9
Crystal Structure
Unknown
Magnetism
Unknown
Abundance in Earth's Crust
Trace
Phase at Room Temperature
Solid