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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.

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The correct Answer is:
B
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