Neodymium vs Lead

← Back to Periodic Table
PropertyNd NeodymiumPb Lead
Atomic number6082
SymbolNdPb
NameNeodymiumLead
Categorylanthanidepost-transition-metal
Standard Atomic Weight144.242 u207.2 u
Period66
GroupN/A14
Blocksp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f4[Xe]6s24f145d106p2
Oxidation states[0, 2, 3, 4][-4, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)1.142.33
Electron affinity1.913 eV0.364 eV
Density7010 kg/m³1.134200e+4 kg/m³
Melting point1020.85 °C327.46 °C
Boiling point3073.85 °C1748.85 °C
Discovery year18412021