Beryllium vs Silver

PropertyBe BerylliumAg Silver
Atomic number447
SymbolBeAg
NameBerylliumSilver
Categoryalkaline-earth-metaltransition-metal
Standard Atomic Weight9.012183 u107.8682 u
Period25
Group211
Blockss
Phase at STPsolidsolid
Electron configuration[He]2s2[Kr]5s14d10
Oxidation states[0, 1, 2][-2, -1, 0, 1, 2, 3]
Electronegativity (Pauling)1.571.93
Electron affinity-0.52 eV1.302 eV
Density1850 kg/m³1.050100e+4 kg/m³
Melting point1286.85 °C961.78 °C
Boiling point2470.85 °C2161.85 °C
Discovery year1797N/A