PERIODIC ELEMENT
C (Carbon)

 



Atomic number : 6
Atomic mass : 12.011 g.mol-1
Electronegativity according to Pauling : 2.5
Density : 2.2 g.cm-3 at 20 °C
Melting point : 3652 °C
Boiling point : 4827 °C
Vanderwaals radius : 0.091 nm
Ionic radius : 0.26 nm (-4) ; 0.015 nm (+4)
Isotopes : 3
Electronic shell : [He] 2s22p2
Energy of first ionisation : 1086.1 kJ.mol-1
Energy of second ionisation : 2351.9 kJ.mol-1
Energy of third ionisation : 4618.8 kJ.mol-1
Discovered by : The ancients
 
Atomic Structure Uses (steel, filters, rubber products)