Holmium vs Nihonium

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PropertyHo HolmiumNh Nihonium
Atomic number67113
SymbolHoNh
NameHolmiumNihonium
Categorylanthanidepost-transition-metal
Standard Atomic Weight164.93033 u286 u
Period67
GroupN/A13
Blocksp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f11[Rn] 5f14 6d10 7s2 7p1(predicted)
Oxidation states[0, 1, 2, 3]N/A
Electronegativity (Pauling)1.23N/A
Electron affinity0.338 eV0.6 eV
Density8800 kg/m³1.600000e+4 kg/m³
Melting point1473.85 °C426.85 °C
Boiling point2699.85 °C1156.85 °C
Discovery year18782004