Arsenic vs Palladium

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PropertyAs ArsenicPd Palladium
Atomic number3346
SymbolAsPd
NameArsenicPalladium
Categorymetalloidtransition-metal
Standard Atomic Weight74.921595 u106.42 u
Period45
Group1510
Blockpd
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p3[Kr]4d10
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][1, 2, 3, 4, 5]
Electronegativity (Pauling)2.182.2
Electron affinity0.81 eV0.557 eV
Density5776 kg/m³1.200000e+4 kg/m³
Melting point816.85 °C1554.9 °C
Boiling point613.85 °C2962.85 °C
Discovery year12501803