Carbon vs Platinum

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PropertyC CarbonPt Platinum
Atomic number678
SymbolCPt
NameCarbonPlatinum
Categorynonmetaltransition-metal
Standard Atomic Weight12.0106 u195.084 u
Period26
Group1410
Blockps
Phase at STPsolidsolid
Electron configuration[He]2s22p2[Xe]6s14f145d9
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][-3, -2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)2.552.28
Electron affinity1.2621 eV2.1228 eV
Density2267 kg/m³2.146000e+4 kg/m³
Melting point3549.85 °C1768.4 °C
Boiling point3824.85 °C3824.85 °C
Discovery year17971735