A radioactive decay can form an isotope of the original nucleus with the emission of particles

Options

A. one `alpha` and one `beta`
B. one `alpha` and four `beta`
C. four `alpha` and one `beta`
D. one `alpha` and two `beta`

Answer

C

Explanation

The elements high on the BE versus mass number plot are very tightly bound and hence they are stable and the elements those are lower on this plot, are less tightly bonds and hence they are unstable. Since, helium nuclus shows a beak on this plat so, it is very stable.