Plutonium vs Oganesson

PropertyPu PlutoniumOg Oganesson
Atomic number94118
SymbolPuOg
NamePlutoniumOganesson
Categoryactinidenoble-gas
Standard Atomic Weight244 u294 u
Period77
GroupN/A18
Blocksp
Phase at STPsolidgas
Electron configuration[Rn]7s25f6[Rn] 7s2 7p6 5f14 6d10(predicted)
Oxidation states[2, 3, 4, 5, 6, 7, 8][-1, 0, 1, 2, 4, 6]
Electronegativity (Pauling)1.28N/A
Electron affinity-0.5 eV0.056 eV
Density1.984000e+4 kg/m³7000 kg/m³
Melting point639.85 °C-273.15 °C
Boiling point3227.85 °C-243.15 °C
Discovery year19412006