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 ?

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