PERIODIC ELEMENT
Hg (Mercury)

 



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Atomic number : 80
Atomic mass : 200.59 g.mol-1
Electronegativity according to Pauling : 1.9
Density : 13.6 g.cm-3 at 20 °C
Melting point : -38.9 °C
Boiling point : 356.6 °C
Vanderwaals radius : 0.157 nm
Ionic radius : 0.11 nm (+2)
Isotopes : 12
Electronic shell : [Xe] 4f14 5d10 6s2
Energy of first ionisation : 1004.6 kJ.mol-1
Energy of second ionisation :1796 kJ.mol-1
Energy of Third ionisation :3294 kJ.mol-1
Standard potential :+0.854 V (Hg2+ / Hg)
Discovered by : The ancients
 
Atomic Structure Uses (thermometers, barometers, fluorescent lamps, batteries)