Arsenic vs Platinum

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PropertyAs ArsenicPt Platinum
Atomic number3378
SymbolAsPt
NameArsenicPlatinum
Categorymetalloidtransition-metal
Standard Atomic Weight74.921595 u195.084 u
Period46
Group1510
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p3[Xe]6s14f145d9
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][-3, -2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)2.182.28
Electron affinity0.81 eV2.1228 eV
Density5776 kg/m³2.146000e+4 kg/m³
Melting point816.85 °C1768.4 °C
Boiling point613.85 °C3824.85 °C
Discovery year12501735