PERIODIC ELEMENT
Sn (Tin)

 



Atomic number : 50
Atomic mass : 118.69 g.mol-1
Electronegativity according to Pauling : 1.8
Density : 5.77 g.cm-3 at 20 °C (alpha) and 7.3 g.cm-3 at 20 °C (beta)
Melting point : 232 °C
Boiling point : 2270 °C
Vanderwaals radius : 0.162 nm
Ionic radius : 0.112 nm (+2) ; 0.070 nm (+4)
Isotopes : 20
Electronic shell : [Kr] 4d105s25p2
Energy of first ionisation : 708.4 kJ.mol-1
Energy of second ionisation : 1411.4 KJ.mol-1
Energy of third ionisation : 2942.2 KJ.mol-1
Energy of fourth ionisation : 3929.3 KJ.mol-1
Discovered by : The ancients
 
Atomic Structure Uses (coating for steel cans)