Palladium vs Samarium

PropertyPd PalladiumSm Samarium
Atomic number4662
SymbolPdSm
NamePalladiumSamarium
Categorytransition-metallanthanide
Standard Atomic Weight106.42 u150.36 u
Period56
Group10N/A
Blockds
Phase at STPsolidsolid
Electron configuration[Kr]4d10[Xe]6s24f6
Oxidation states[1, 2, 3, 4, 5][0, 1, 2, 3]
Electronegativity (Pauling)2.21.17
Electron affinity0.557 eV0.156 eV
Density1.200000e+4 kg/m³7520 kg/m³
Melting point1554.9 °C1073.85 °C
Boiling point2962.85 °C1793.85 °C
Discovery year18031878