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Nuclear Fission

The mass numb...

Question

The mass numbers of four elements A, B, C and D are 2, 20, 135 and 235, respectively. Which one of them will be most suitable to make : (i) an atom bomb, and (ii) a hydrogen bomb ?

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Solution

(i) D(mass number 235)-Uranium. Since heavy nuclei undergo fission.
(ii) A(mass number 2)-Hydrogen. Since light nuclei undergo fusion.

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