Terbium vs Gold

PropertyTb TerbiumAu Gold
Atomic number6579
SymbolTbAu
NameTerbiumGold
Categorylanthanidetransition-metal
Standard Atomic Weight158.92535 u196.966569 u
Period66
GroupN/A11
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s24f9[Xe]6s14f145d10
Oxidation states[0, 1, 2, 3, 4][-3, -2, -1, 0, 1, 2, 3, 5]
Electronegativity (Pauling)N/A2.54
Electron affinity1.124 eV2.3086 eV
Density8230 kg/m³1.928200e+4 kg/m³
Melting point1355.85 °C1064.18 °C
Boiling point3229.85 °C2855.85 °C
Discovery year1843N/A