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For the radioactive nuclei that undergo ...

For the radioactive nuclei that undergo either `alpha or beta` decay, which one of the following cannot occur?

A

Isobar of original nucleus is produced.

B

Isotope of the original nucleus is produced.

C

Nuclei with higher atomic number than that of the original nucleus is produced.

D

Nuclei with lower atomic number than that of the original nucleus is produced.

Text Solution

Verified by Experts

The correct Answer is:
B
In `alpha` decay the mass number A and atomic number Z decrease by 4 and 2 respectively.
In `beta` decay the mass number A remains the same but atomic number Z increases by 1.
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