Palladium vs Radon

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PropertyPd PalladiumRn Radon
Atomic number4686
SymbolPdRn
NamePalladiumRadon
Categorytransition-metalnoble-gas
Standard Atomic Weight106.42 u222 u
Period56
Group1018
Blockdp
Phase at STPsolidgas
Electron configuration[Kr]4d10[Xe]6s24f145d106p6
Oxidation states[1, 2, 3, 4, 5][0, 2, 6]
Electronegativity (Pauling)2.2N/A
Electron affinity0.557 eV-0.7 eV
Density1.200000e+4 kg/m³9.73 kg/m³
Melting point1554.9 °C-71.15 °C
Boiling point2962.85 °C-61.7 °C
Discovery year18031900