Oganesson is a short-lived synthetic noble-gas element whose electrons are predicted to make it unlike the lighter inert gases.
Atomic number
118
Category
Noble gas
Period
7
Group
18
State
Predicted solid
Fun facts about Oganesson
It is named after nuclear physicist Yuri Oganessian.
Strong relativistic effects are predicted to increase its reactivity and polarizability.
Its physical state has not been directly measured because only a few atoms exist.
Common uses of Oganesson
Fundamental research only
Where Oganesson sits in the periodic table
Oganesson is classified as a noble gas in period 7 and group 18 of the periodic table. Under the conditions represented in this reference, its state is predicted solid.
Quick chemistry revision
For quick revision, pair the symbol Og with atomic number 118 and the listed atomic mass [294]. The summary, facts, and uses above keep those element properties together in one reference.