Radon vs Oganesson

PropertyRn RadonOg Oganesson
Atomic number86118
SymbolRnOg
NameRadonOganesson
Categorynoble-gasnoble-gas
Standard Atomic Weight222 u294 u
Period67
Group1818
Blockpp
Phase at STPgasgas
Electron configuration[Xe]6s24f145d106p6[Rn] 7s2 7p6 5f14 6d10(predicted)
Oxidation states[0, 2, 6][-1, 0, 1, 2, 4, 6]
Electronegativity (Pauling)N/AN/A
Electron affinity-0.7 eV0.056 eV
Density9.73 kg/m³7000 kg/m³
Melting point-71.15 °C-273.15 °C
Boiling point-61.7 °C-243.15 °C
Discovery year19002006