Barium vs Dysprosium

PropertyBa BariumDy Dysprosium
Atomic number5666
SymbolBaDy
NameBariumDysprosium
Categoryalkaline-earth-metallanthanide
Standard Atomic Weight137.327 u162.5 u
Period66
Group2N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s2[Xe]6s24f10
Oxidation states[1, 2][0, 1, 2, 3, 4]
Electronegativity (Pauling)0.891.22
Electron affinity0.1447 eV0.352 eV
Density3620 kg/m³8550 kg/m³
Melting point726.85 °C1411.85 °C
Boiling point1896.85 °C2566.85 °C
Discovery year18081878