Plutonium vs Nihonium

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PropertyPu PlutoniumNh Nihonium
Atomic number94113
SymbolPuNh
NamePlutoniumNihonium
Categoryactinidepost-transition-metal
Standard Atomic Weight244 u286 u
Period77
GroupN/A13
Blocksp
Phase at STPsolidsolid
Electron configuration[Rn]7s25f6[Rn] 5f14 6d10 7s2 7p1(predicted)
Oxidation states[2, 3, 4, 5, 6, 7, 8]N/A
Electronegativity (Pauling)1.28N/A
Electron affinity-0.5 eV0.6 eV
Density1.984000e+4 kg/m³1.600000e+4 kg/m³
Melting point639.85 °C426.85 °C
Boiling point3227.85 °C1156.85 °C
Discovery year19412004