The mass number of a nucleus is equal to the number of

If the radius of the $_{13}^{27}Al$ nucleus is estimated to be $3.6 \, \text{Fermi}$, then the radius of the $_{52}^{125}Te$ nucleus will be nearly .......... $\text{Fermi}$.

The strongest force among the following forces in nature is

According to the quark model,it is possible to build all the hadrons using

In the nuclear reaction $X(n, \alpha) _3^7 Li$,find the value of $X$.

The radius of a $_2He^4$ nucleus is $3 \, fm$. The radius of a $_{82}Pb^{206}$ nucleus will be .......... $fm$.