Yttrium vs Platinum

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PropertyY YttriumPt Platinum
Atomic number3978
SymbolYPt
NameYttriumPlatinum
Categorytransition-metaltransition-metal
Standard Atomic Weight88.90584 u195.084 u
Period56
Group310
Blockss
Phase at STPsolidsolid
Electron configuration[Kr]5s24d1[Xe]6s14f145d9
Oxidation states[0, 1, 2, 3][-3, -2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)1.222.28
Electron affinity0.307 eV2.1228 eV
Density4470 kg/m³2.146000e+4 kg/m³
Melting point1521.85 °C1768.4 °C
Boiling point3344.85 °C3824.85 °C
Discovery year17941735