Calcium vs Nihonium

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PropertyCa CalciumNh Nihonium
Atomic number20113
SymbolCaNh
NameCalciumNihonium
Categoryalkaline-earth-metalpost-transition-metal
Standard Atomic Weight40.078 u286 u
Period47
Group213
Blocksp
Phase at STPsolidsolid
Electron configuration[Ar]4s2[Rn] 5f14 6d10 7s2 7p1(predicted)
Oxidation states[1, 2]N/A
Electronegativity (Pauling)1N/A
Electron affinity0.0245 eV0.6 eV
Density1540 kg/m³1.600000e+4 kg/m³
Melting point841.85 °C426.85 °C
Boiling point1483.85 °C1156.85 °C
Discovery year18082004