Praseodymium vs Dysprosium

PropertyPr PraseodymiumDy Dysprosium
Atomic number5966
SymbolPrDy
NamePraseodymiumDysprosium
Categorylanthanidelanthanide
Standard Atomic Weight140.90766 u162.5 u
Period66
GroupN/AN/A
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s24f3[Xe]6s24f10
Oxidation states[0, 1, 2, 3, 4, 5][0, 1, 2, 3, 4]
Electronegativity (Pauling)1.131.22
Electron affinity0.962 eV0.352 eV
Density6770 kg/m³8550 kg/m³
Melting point930.85 °C1411.85 °C
Boiling point3519.85 °C2566.85 °C
Discovery year18851878