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Which of the following nuclear reactions will generate an isotope?

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$α$ -particle emission

$β$ -particle emission

positron emission

neutron particle emission

answer is A.

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Detailed Solution

The emission of neutron does not change the atomic number of the element and thus generates an isotope.

Isotopes have the same number of protons but a different number of neutrons. So, neutron emission will generate an isotope.

On the other hand, positron emission, beta particle emission and alpha particle emission will change the atomic number. Hence, they will not generate an isotope.

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