Lutetium vs Nihonium

PropertyLu LutetiumNh Nihonium
Atomic number71113
SymbolLuNh
NameLutetiumNihonium
Categorylanthanidepost-transition-metal
Standard Atomic Weight174.9668 u286 u
Period67
Group313
Blocksp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f145d1[Rn] 5f14 6d10 7s2 7p1(predicted)
Oxidation states[0, 1, 2, 3]N/A
Electronegativity (Pauling)1.27N/A
Electron affinity0.346 eV0.6 eV
Density9840 kg/m³1.600000e+4 kg/m³
Melting point1662.85 °C426.85 °C
Boiling point3401.85 °C1156.85 °C
Discovery year19072004