Antimony vs Nihonium

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PropertySb AntimonyNh Nihonium
Atomic number51113
SymbolSbNh
NameAntimonyNihonium
Categorymetalloidpost-transition-metal
Standard Atomic Weight121.76 u286 u
Period57
Group1513
Blockpp
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p3[Rn] 5f14 6d10 7s2 7p1(predicted)
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5]N/A
Electronegativity (Pauling)2.05N/A
Electron affinity1.07 eV0.6 eV
Density6685 kg/m³1.600000e+4 kg/m³
Melting point630.63 °C426.85 °C
Boiling point1586.85 °C1156.85 °C
Discovery year17072004