Palladium vs Erbium

PropertyPd PalladiumEr Erbium
Atomic number4668
SymbolPdEr
NamePalladiumErbium
Categorytransition-metallanthanide
Standard Atomic Weight106.42 u167.259 u
Period56
Group10N/A
Blockds
Phase at STPsolidsolid
Electron configuration[Kr]4d10[Xe]6s24f12
Oxidation states[1, 2, 3, 4, 5][0, 1, 2, 3]
Electronegativity (Pauling)2.21.24
Electron affinity0.557 eV0.312 eV
Density1.200000e+4 kg/m³9070 kg/m³
Melting point1554.9 °C1528.85 °C
Boiling point2962.85 °C2867.85 °C
Discovery year18031843