Antimony vs Platinum

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PropertySb AntimonyPt Platinum
Atomic number5178
SymbolSbPt
NameAntimonyPlatinum
Categorymetalloidtransition-metal
Standard Atomic Weight121.76 u195.084 u
Period56
Group1510
Blockps
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p3[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)2.052.28
Electron affinity1.07 eV2.1228 eV
Density6685 kg/m³2.146000e+4 kg/m³
Melting point630.63 °C1768.4 °C
Boiling point1586.85 °C3824.85 °C
Discovery year17071735