118Unknown
Og 294 Atomic mass · uNoble gases
Oganesson
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.
Discovery 2002 (Joint Institute for Nuclear Research)
K2L8M18N32O32P18Q8
Physical properties
Values for the element in its standard state.
- Density
- Not available
- Melting point
- Not available
- Boiling point
- Not available
- Atomic radius
- Not available
- Bonding type
- Not recorded
- Molar heat
- Not available
Inside the atom
Electron arrangement and the energy behind its behavior.
Full electron configuration
1s, 2 electrons; 2s, 2 electrons; 2p, 6 electrons; 3s, 2 electrons; 3p, 6 electrons; 3d, 10 electrons; 4s, 2 electrons; 4p, 6 electrons; 4d, 10 electrons; 5s, 2 electrons; 5p, 6 electrons; 4f, 14 electrons; 5d, 10 electrons; 6s, 2 electrons; 6p, 6 electrons; 5f, 14 electrons; 6d, 10 electrons; 7s, 2 electrons; 7p, 6 electrons;
[Rn] represents 86 core electrons. The full view shows them explicitly.
118 electrons Orbital order preserved from source
- Electronegativity
- Not availablePauling scale
- First ionization energy
- Not available
- Electron affinity
- Not available
- Van der Waals radius
- Not available
Og OganessonAtomic number 118
UnknownkJ/mol
Atomic numberGaps indicate unavailable data
About oganesson
- Appearance
- Not recorded
- Discovery
- 2002 (Joint Institute for Nuclear Research)
- Data source
- Read the reference
A missing value means it is unavailable in this reference dataset. Values can vary with measurement method and conditions.