Neodymium vs Bismuth

← Back to Periodic Table
PropertyNd NeodymiumBi Bismuth
Atomic number6083
SymbolNdBi
NameNeodymiumBismuth
Categorylanthanidepost-transition-metal
Standard Atomic Weight144.242 u208.9804 u
Period66
GroupN/A15
Blocksp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f4[Xe]6s24f145d106p3
Oxidation states[0, 2, 3, 4][-3, -2, -1, 0, 1, 2, 3, 4, 5]
Electronegativity (Pauling)1.142.02
Electron affinity1.913 eV0.942 eV
Density7010 kg/m³9807 kg/m³
Melting point1020.85 °C271.4 °C
Boiling point3073.85 °C1563.85 °C
Discovery year18411753