Oganesson (Og)
Oganesson (Og, element 118) is a noble gas in group 18, period 7. Atomic mass 294, electron configuration [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶, uses and facts.
About Oganesson
Oganesson is a noble gas with the symbol Og and atomic number 118. Its state at room temperature is not known, because too little of it has been made, and it sits in group 18, period 7 of the periodic table. Oganesson was discovered in 2002 by Joint Institute for Nuclear Research.
Oganesson key facts
- Atomic number: 118
- Symbol: Og
- Atomic mass: 294 u
- Category: noble gas
- Group: 18
- Period: 7
- State at room temperature: not known
- Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶
- Electronegativity (Pauling): not assigned
- Melting point: not known
- Boiling point: not known
- Density: not known
- Common oxidation states: not known
Electron configuration
The electron configuration of oganesson is [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶. The part in brackets is the noble gas core; the rest shows how the outer electrons fill their subshells. Oganesson has 8 valence electrons.
Uses of oganesson
- Research only
Did you know?
The heaviest confirmed element. Only 5 atoms have ever been made. It exists for less than a millisecond.
Other elements in group 18 and neighbours
Frequently asked questions
What is the atomic number of oganesson?
The atomic number of oganesson is 118, which means every oganesson atom has 118 protons.
What is the electron configuration of oganesson?
The electron configuration of oganesson is [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶.
What group and period is oganesson in?
Oganesson is a noble gas in group 18, period 7.
What state is oganesson at room temperature?
The state of oganesson at room temperature is not known, because too little of it has been made.
What is oganesson used for?
Oganesson is used for research only.