Atomic Number:118Atomic Radius:
Atomic Symbol:OgMelting Point:
Atomic Weight:294Boiling Point:350±30 K ​(80±30 °C, ​170±50 °F) (extrapolated)[1]
Electron Configuration:[Rn] 7s2 7p6 5f14 6d10 (predicted)[1][2]Oxidation States:−1,[2] 0, +1,[5] +2,[6] +4,[6] +6[2] ​(predicted)


On Novemer 28th, 2016, element 118 was named Oganesson with the symbol (Og). The name was proposed by the Joint Institute for Nuclear Research, Dubna (Russia) and Lawrence Livermore National Laboratory (USA). It honors Professor Yuri Oganessian (born 1933) for his pioneering contributions to transactinoid elements research.