In the nuclear reaction $_{12}Mg^{24} + _{2}He^{4} = _{0}n^{1} + ?$,the product nucleus is:

Which one of the following nuclear transformations is of the $(n, p)$ type?

Which is least effective for artificial transmutation?

The radioactive isotope $_{27}^{60}Co$,which is used in the treatment of cancer,can be produced by an $(n, p)$ reaction. For this reaction,the target nucleus is:

Artificial elements have been prepared by bombardment reactions in high energy accelerators. What is the mass number of the element $X$ produced in the following nuclear reaction: $_{95}^{249}Cf + _{7}^{15}N \rightarrow _{105}X + 4_{0}^{1}n$?

Radioactive iodine is used to diagnose the disease of