Rhodium vs Oganesson

PropertyRh RhodiumOg Oganesson
Atomic number45118
SymbolRhOg
NameRhodiumOganesson
Categorytransition-metalnoble-gas
Standard Atomic Weight102.9055 u294 u
Period57
Group918
Blocksp
Phase at STPsolidgas
Electron configuration[Kr]5s14d8[Rn] 7s2 7p6 5f14 6d10(predicted)
Oxidation states[-3, -1, 1, 2, 3, 4, 5, 6, 7][-1, 0, 1, 2, 4, 6]
Electronegativity (Pauling)2.28N/A
Electron affinity1.137 eV0.056 eV
Density1.240000e+4 kg/m³7000 kg/m³
Melting point1963.85 °C-273.15 °C
Boiling point3694.85 °C-243.15 °C
Discovery year18032006