Rutherfordium vs Oganesson

PropertyRf RutherfordiumOg Oganesson
Atomic number104118
SymbolRfOg
NameRutherfordiumOganesson
Categorytransition-metalnoble-gas
Standard Atomic Weight263 u294 u
Period77
Group418
Blocksp
Phase at STPsolidgas
Electron configuration[Rn]7s25f146d2[Rn] 7s2 7p6 5f14 6d10(predicted)
Oxidation states[3, 4][-1, 0, 1, 2, 4, 6]
Electronegativity (Pauling)N/AN/A
Electron affinity0.65 eV0.056 eV
Density2.330000e+4 kg/m³7000 kg/m³
Melting point2126.85 °C-273.15 °C
Boiling point5526.85 °C-243.15 °C
Discovery year19642006