Rhodium vs Nihonium

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PropertyRh RhodiumNh Nihonium
Atomic number45113
SymbolRhNh
NameRhodiumNihonium
Categorytransition-metalpost-transition-metal
Standard Atomic Weight102.9055 u286 u
Period57
Group913
Blocksp
Phase at STPsolidsolid
Electron configuration[Kr]5s14d8[Rn] 5f14 6d10 7s2 7p1(predicted)
Oxidation states[-3, -1, 1, 2, 3, 4, 5, 6, 7]N/A
Electronegativity (Pauling)2.28N/A
Electron affinity1.137 eV0.6 eV
Density1.240000e+4 kg/m³1.600000e+4 kg/m³
Melting point1963.85 °C426.85 °C
Boiling point3694.85 °C1156.85 °C
Discovery year18032004