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A radiaoactive nucleus (initial mass num...

A radiaoactive nucleus (initial mass number `A` and atomic number `Z` emits `3 alpha`- particles and 2 positrons The ratio of number of neutrons to that of proton in the final nucleus will be

A

`(A - Z - B)/(Z - 4)`

B

`(A - Z - 4) / (Z - 8)`

C

`(A - Z - 12) / (Z - 4)`

D

`(A -Z - 4) /( Z - 2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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