Sodium vs Mercury

PropertyNa SodiumHg Mercury
Atomic number1180
SymbolNaHg
NameSodiumMercury
Categoryalkali-metaltransition-metal
Standard Atomic Weight22.989769 u200.592 u
Period36
Group112
Blockss
Phase at STPsolidliquid
Electron configuration[Ne]3s1[Xe]6s24f145d10
Oxidation states[-1, 0, 1][-2, 1, 2]
Electronegativity (Pauling)0.932
Electron affinity0.5479 eV-0.5 eV
Density970 kg/m³1.353360e+4 kg/m³
Melting point97.8 °C-38.83 °C
Boiling point882.85 °C356.73 °C
Discovery year1807N/A