Q. Gadolinium belongs to 4f series. It's atomic number is 64. Which of the following is the correct electronic configuration of gadolinium ?

 3108  233 AIPMTAIPMT 2015The d-and f-Block Elements Report Error

Solution:

Electronic configuration of Gadolinium,with atomic number 64 is as half filled orbitals are more stable than incompletely filled orbitals.