Cadmium vs Oganesson

PropertyCd CadmiumOg Oganesson
Atomic number48118
SymbolCdOg
NameCadmiumOganesson
Categorytransition-metalnoble-gas
Standard Atomic Weight112.414 u294 u
Period57
Group1218
Blocksp
Phase at STPsolidgas
Electron configuration[Kr]5s24d10[Rn] 7s2 7p6 5f14 6d10(predicted)
Oxidation states[-2, 1, 2][-1, 0, 1, 2, 4, 6]
Electronegativity (Pauling)1.69N/A
Electron affinity-0.7 eV0.056 eV
Density8690 kg/m³7000 kg/m³
Melting point321.07 °C-273.15 °C
Boiling point766.85 °C-243.15 °C
Discovery year18172006