In the case of alpha decay,the atomic number of the nucleus increases.

Name: In the case of alpha decay,the atomic number of the nucleus increases.
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Alpha decay involves the emission of a particle consisting of two protons and two neutrons (Helium nucleus) from the parent nucleus. This decreases both the atomic number and mass number of the parent nucleus. Therefore, the atomic number of the nucleus does not increase, but rather decreases by 2.

In the Case of Alpha Decay,the Atomic Number of the Nucleus