The nucleus produced due to alpha-decay of th | vedclass

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(C) In an $\alpha$-decay process,an unstable nucleus emits an $\alpha$-particle,which is a helium nucleus $(_{2}He^{4})$.During this process,the atomi

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$_{Z-2}Y^{A-4}$

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(C) In an $\alpha$-decay process,an unstable nucleus emits an $\alpha$-particle,which is a helium nucleus $(_{2}He^{4})$.During this process,the atomic number $(Z)$ of the parent nucleus decreases by $2$ and the mass number $(A)$ decreases by $4$.The decay equation is given by: $_Z{X^A} \rightarrow _{Z-2}{Y^{A-4}} + _{2}He^{4}$.Therefore,the resulting nucleus is $_{Z-2}Y^{A-4}$.

The nucleus produced due to $\alpha$-decay of the nucleus $_Z{X^A}$ is

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