Neodymium vs Dysprosium

PropertyNd NeodymiumDy Dysprosium
Atomic number6066
SymbolNdDy
NameNeodymiumDysprosium
Categorylanthanidelanthanide
Standard Atomic Weight144.242 u162.5 u
Period66
GroupN/AN/A
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s24f4[Xe]6s24f10
Oxidation states[0, 2, 3, 4][0, 1, 2, 3, 4]
Electronegativity (Pauling)1.141.22
Electron affinity1.913 eV0.352 eV
Density7010 kg/m³8550 kg/m³
Melting point1020.85 °C1411.85 °C
Boiling point3073.85 °C2566.85 °C
Discovery year18411878