Silver vs Barium

PropertyAg SilverBa Barium
Atomic number4756
SymbolAgBa
NameSilverBarium
Categorytransition-metalalkaline-earth-metal
Standard Atomic Weight107.8682 u137.327 u
Period56
Group112
Blockss
Phase at STPsolidsolid
Electron configuration[Kr]5s14d10[Xe]6s2
Oxidation states[-2, -1, 0, 1, 2, 3][1, 2]
Electronegativity (Pauling)1.930.89
Electron affinity1.302 eV0.1447 eV
Density1.050100e+4 kg/m³3620 kg/m³
Melting point961.78 °C726.85 °C
Boiling point2161.85 °C1896.85 °C
Discovery yearN/A1808