Terbium vs Platinum

← Back to Periodic Table
PropertyTb TerbiumPt Platinum
Atomic number6578
SymbolTbPt
NameTerbiumPlatinum
Categorylanthanidetransition-metal
Standard Atomic Weight158.92535 u195.084 u
Period66
GroupN/A10
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s24f9[Xe]6s14f145d9
Oxidation states[0, 1, 2, 3, 4][-3, -2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)N/A2.28
Electron affinity1.124 eV2.1228 eV
Density8230 kg/m³2.146000e+4 kg/m³
Melting point1355.85 °C1768.4 °C
Boiling point3229.85 °C3824.85 °C
Discovery year18431735