PERIODIC ELEMENT
Dy (Dysprosium)

 



Atomic number : 66
Atomic mass : 162.50 g mol-1
Electronegativity according to Pauling : 1.2
Density : 8.6 g cm-3 at 20 °C
Melting point : 1412 °C
Boiling point : 2562 °C
Vanderwaals radius : unknown
Ionic radius : unknown
Isotopes : 12
Electronic shell : [ Xe ] 4f10 6s2
Energy of first ionisation : 571.2 kJ.mol-1
Energy of second ionisation : 1124 kJ.mol-1
Standard potential : - 2.35 V
Discovered by : Paul Emile Lecoq de Boisbaudran in 1886
 
Atomic Structure Uses (nuclear reactors)