Silver vs Tantalum

PropertyAg SilverTa Tantalum
Atomic number4773
SymbolAgTa
NameSilverTantalum
Categorytransition-metaltransition-metal
Standard Atomic Weight107.8682 u180.94788 u
Period56
Group115
Blockss
Phase at STPsolidsolid
Electron configuration[Kr]5s14d10[Xe]6s24f145d3
Oxidation states[-2, -1, 0, 1, 2, 3][-3, -1, 0, 1, 2, 3, 4, 5]
Electronegativity (Pauling)1.931.5
Electron affinity1.302 eV0.322 eV
Density1.050100e+4 kg/m³1.640000e+4 kg/m³
Melting point961.78 °C3016.85 °C
Boiling point2161.85 °C5457.85 °C
Discovery yearN/A1802