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  3. Chemistry
  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

AIPMTAIPMT 2005

Solution:

After radioactive decay of element by three successive emission of $\alpha$-particles, the last element (stable) Pb is obtained which belongs to group 14 of periodic table.