The periodic table consists of 18 groups. An isotope of copper, on bombardment with protons, undergoes a nuclear reaction yielding element X as shown below. To which group, element X belongs in the periodic table ?

 ${}_{29}^{63}\mathrm{Cu}+{}_{\text{1}}^{\text{1}}\mathrm{H}\to {\text{ 6}}_{\text{0}}^{\text{1}}\mathrm{n}+\mathrm{\alpha }+{\text{ 2 }}_{\text{1}}^{\text{1}}\mathrm{H}+\mathrm{X}$