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

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

Jharkhand CECEJharkhand CECE 2012

Solution:

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