PERIODIC ELEMENT
Al (Aluminium)

 



Atomic number : 13
Atomic mass : 26.98154 g.mol-1
Electronegativity according to Pauling : 1.5
Density : 2.7 g.cm-3 at 20 °C
Melting point : 660.4 °C
Boiling point : 2467 °C
Vanderwaals radius : 0.143 nm
Ionic radius : 0.143 nm
Isotopes : 3
Electronic shell : [Ne] 3s2 3p1
Energy of first ionisation : 577.4 kJ.mol-1
Energy of second ionisation : 1816.1 KJ.mol-1
Energy of third ionisation : 2744.1 KJ.mol-1
Standard potential : - 1.67 V
Discovered by : Hans Christian Oersted in 1825
 
Atomic Structure Uses (airplanes, soda cans)