Palladium vs Barium

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PropertyPd PalladiumBa Barium
Atomic number4656
SymbolPdBa
NamePalladiumBarium
Categorytransition-metalalkaline-earth-metal
Standard Atomic Weight106.42 u137.327 u
Period56
Group102
Blockds
Phase at STPsolidsolid
Electron configuration[Kr]4d10[Xe]6s2
Oxidation states[1, 2, 3, 4, 5][1, 2]
Electronegativity (Pauling)2.20.89
Electron affinity0.557 eV0.1447 eV
Density1.200000e+4 kg/m³3620 kg/m³
Melting point1554.9 °C726.85 °C
Boiling point2962.85 °C1896.85 °C
Discovery year18031808