PERIODIC ELEMENT
S (Sulhpur)

 



Atomic number : 16
Atomic mass : 32.06 g.mol-1
Electronegativity according to Pauling : 2.5
Density : 2.07 g.cm-3 at 20 °C
Melting point : 113 °C
Boiling point : 445 °C
Vanderwaals radius : 0.127 nm
Ionic radius : 0.184 nm (-2) ; 0.029 nm (+6)
Isotopes : 5
Electronic shell : [Ne] 3s23p4
Energy of first ionisation : 999.3 kJ.mol-1
Energy of second ionisation : 2252 kJ.mol-1
Energy of third ionisation : 3357 kJ.mol-1
Standard potential : - 0.51 V
Discovered by : The ancients
 
Atomic Structure Uses (matches, gunpowder, medicines)