Lutetium vs Platinum

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PropertyLu LutetiumPt Platinum
Atomic number7178
SymbolLuPt
NameLutetiumPlatinum
Categorylanthanidetransition-metal
Standard Atomic Weight174.9668 u195.084 u
Period66
Group310
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s24f145d1[Xe]6s14f145d9
Oxidation states[0, 1, 2, 3][-3, -2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)1.272.28
Electron affinity0.346 eV2.1228 eV
Density9840 kg/m³2.146000e+4 kg/m³
Melting point1662.85 °C1768.4 °C
Boiling point3401.85 °C3824.85 °C
Discovery year19071735