Ruthenium vs Nihonium

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PropertyRu RutheniumNh Nihonium
Atomic number44113
SymbolRuNh
NameRutheniumNihonium
Categorytransition-metalpost-transition-metal
Standard Atomic Weight101.07 u286 u
Period57
Group813
Blocksp
Phase at STPsolidsolid
Electron configuration[Kr]5s14d7[Rn] 5f14 6d10 7s2 7p1(predicted)
Oxidation states[-4, -2, 1, 2, 3, 4, 5, 6, 7, 8]N/A
Electronegativity (Pauling)2.2N/A
Electron affinity1.05 eV0.6 eV
Density1.210000e+4 kg/m³1.600000e+4 kg/m³
Melting point2333.85 °C426.85 °C
Boiling point4149.85 °C1156.85 °C
Discovery year18282004