PERIODIC ELEMENT
Mo (Molybdenum)

 



Atomic number : 42
Atomic mass : 95.94 g.mol-1
Electronegativity according to Pauling : 1.8
Density : 10.2 g.cm-3 at 20 °C
Melting point : 2610 °C
Boiling point : 4825 °C
Vanderwaals radius : 0.139 nm
Ionic radius : 0.068 nm (+4); 0.06 (+6) nm
Isotopes : 11
Electronic shell : [Kr] 4d55s1
Energy of first ionisation : 651.0 kJ.mol-1
Standard Potential : - 0.2 V
Discovered by : Carl Wilhelm Scheele in 1778
 
Atomic Structure Uses (aircraft, missiles)