Strontium vs Mercury

PropertySr StrontiumHg Mercury
Atomic number3880
SymbolSrHg
NameStrontiumMercury
Categoryalkaline-earth-metaltransition-metal
Standard Atomic Weight87.62 u200.592 u
Period56
Group212
Blockss
Phase at STPsolidliquid
Electron configuration[Kr]5s2[Xe]6s24f145d10
Oxidation states[1, 2][-2, 1, 2]
Electronegativity (Pauling)0.952
Electron affinity0.052 eV-0.5 eV
Density2640 kg/m³1.353360e+4 kg/m³
Melting point776.85 °C-38.83 °C
Boiling point1381.85 °C356.73 °C
Discovery year1792N/A