Arsenic vs Nihonium

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PropertyAs ArsenicNh Nihonium
Atomic number33113
SymbolAsNh
NameArsenicNihonium
Categorymetalloidpost-transition-metal
Standard Atomic Weight74.921595 u286 u
Period47
Group1513
Blockpp
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p3[Rn] 5f14 6d10 7s2 7p1(predicted)
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5]N/A
Electronegativity (Pauling)2.18N/A
Electron affinity0.81 eV0.6 eV
Density5776 kg/m³1.600000e+4 kg/m³
Melting point816.85 °C426.85 °C
Boiling point613.85 °C1156.85 °C
Discovery year12502004