Neodymium vs Lutetium

PropertyNd NeodymiumLu Lutetium
Atomic number6071
SymbolNdLu
NameNeodymiumLutetium
Categorylanthanidelanthanide
Standard Atomic Weight144.242 u174.9668 u
Period66
GroupN/A3
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s24f4[Xe]6s24f145d1
Oxidation states[0, 2, 3, 4][0, 1, 2, 3]
Electronegativity (Pauling)1.141.27
Electron affinity1.913 eV0.346 eV
Density7010 kg/m³9840 kg/m³
Melting point1020.85 °C1662.85 °C
Boiling point3073.85 °C3401.85 °C
Discovery year18411907