PERIODIC ELEMENT
Gd (Gadolinium)

 



Atomic number : 64
Atomic mass : 157.25 g mol-1
Electronegativity according to Pauling : 1.1
Density : 7.9 g.cm-3 at 20 °C
Melting point : 1313 °C
Boiling point : 3266 °C
Vanderwaals radius : unknown
Ionic radius : unknown
Isotopes : 13
Electronic shell : [ Xe ] 4f7 5d1 6s2
Energy of first ionisation : 591 kJ.mol-1
Energy of second ionisation : 1165.5 kJ.mol-1
Standard potential : - 2.40 V
Discovered by : Jean de Marignac in 1880
 
Atomic Structure Uses (magnetic)