PERIODIC ELEMENT
V (Vanadium)

 



Atomic number : 23
Atomic mass : 50.9414 g.mol-1
Electronegativity according to Pauling : 1.6
Density : 6.1g.cm-3 at 20 °C
Melting point : 1910 °C
Boiling point : 3407 °C
Vanderwaals radius : 0.134 nm
Ionic radius : 0.074 (+3) nm ; 0.059 (+5) nm
Isotopes : 5
Electronic shell : [Ar] 3d3 4s2
Energy of first ionisation : 649.1 kJ.mol-1
Energy of second ionisation : 1414 kJ.mol-1
Energy of third ionisation : 2830 kJ.mol-1
Energy of fourth ionisation : 4652 kJ.mol-1
Discovered by : Nils Sefstrom in 1830
 
Atomic Structure Uses (Catalyst, dye, color-fixer)