Q. A nuclide of an alkaline earth metal undergoes radioactive decay by emission of three particles in succession. The group of the periodic table to which the resulting daughter element would belong is

 2097  191 Jharkhand CECEJharkhand CECE 2012 Report Error

Solution:

After decay of radioactive element, the last element (stable) Pb is obtained which belongs to group 14 of periodic table.