Cerium vs Platinum

PropertyCe CeriumPt Platinum
Atomic number5878
SymbolCePt
NameCeriumPlatinum
Categorylanthanidetransition-metal
Standard Atomic Weight140.116 u195.084 u
Period66
GroupN/A10
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s24f15d1[Xe]6s14f145d9
Oxidation states[1, 2, 3, 4][-3, -2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)1.122.28
Electron affinity0.955 eV2.1228 eV
Density6770 kg/m³2.146000e+4 kg/m³
Melting point797.85 °C1768.4 °C
Boiling point3423.85 °C3824.85 °C
Discovery year18011735