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An unknown stable nuclide after absorbin...

An unknown stable nuclide after absorbing a neutron emits an electron, and the new nuclide splits spontaneously into two alpha particles. The unknown nuclide is :

A

`._(4) Be^(9)`

B

`._(3)Li^(7)`

C

`._(2)He^(4)`

D

`._(5) B^(10)`

Text Solution

Verified by Experts

The correct Answer is:
B
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