Lutetium vs Bismuth

PropertyLu LutetiumBi Bismuth
Atomic number7183
SymbolLuBi
NameLutetiumBismuth
Categorylanthanidepost-transition-metal
Standard Atomic Weight174.9668 u208.9804 u
Period66
Group315
Blocksp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f145d1[Xe]6s24f145d106p3
Oxidation states[0, 1, 2, 3][-3, -2, -1, 0, 1, 2, 3, 4, 5]
Electronegativity (Pauling)1.272.02
Electron affinity0.346 eV0.942 eV
Density9840 kg/m³9807 kg/m³
Melting point1662.85 °C271.4 °C
Boiling point3401.85 °C1563.85 °C
Discovery year19071753