Holmium vs Lead

PropertyHo HolmiumPb Lead
Atomic number6782
SymbolHoPb
NameHolmiumLead
Categorylanthanidepost-transition-metal
Standard Atomic Weight164.93033 u207.2 u
Period66
GroupN/A14
Blocksp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f11[Xe]6s24f145d106p2
Oxidation states[0, 1, 2, 3][-4, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)1.232.33
Electron affinity0.338 eV0.364 eV
Density8800 kg/m³1.134200e+4 kg/m³
Melting point1473.85 °C327.46 °C
Boiling point2699.85 °C1748.85 °C
Discovery year18782021