Dysprosium vs Lawrencium

PropertyDy DysprosiumLr Lawrencium
Atomic number66103
SymbolDyLr
NameDysprosiumLawrencium
Categorylanthanideactinide
Standard Atomic Weight162.5 u262 u
Period67
GroupN/A3
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s24f10[Rn]7s25f146d1
Oxidation states[0, 1, 2, 3, 4][3]
Electronegativity (Pauling)1.22N/A
Electron affinity0.352 eV0.315 eV
Density8550 kg/m³1.560000e+4 kg/m³
Melting point1411.85 °C1626.85 °C
Boiling point2566.85 °C-273.15 °C
Discovery year18781961