Strontium vs Silver

PropertySr StrontiumAg Silver
Atomic number3847
SymbolSrAg
NameStrontiumSilver
Categoryalkaline-earth-metaltransition-metal
Standard Atomic Weight87.62 u107.8682 u
Period55
Group211
Blockss
Phase at STPsolidsolid
Electron configuration[Kr]5s2[Kr]5s14d10
Oxidation states[1, 2][-2, -1, 0, 1, 2, 3]
Electronegativity (Pauling)0.951.93
Electron affinity0.052 eV1.302 eV
Density2640 kg/m³1.050100e+4 kg/m³
Melting point776.85 °C961.78 °C
Boiling point1381.85 °C2161.85 °C
Discovery year1792N/A