Question

# The highest ionization energy is exhibited by – (A) Halogens(B) Alkaline earth metals(C) Transition metals(D) Noble gases

Additional information: Halogens are located to the extreme right side of the periodic table i.e. in group 17. Their general electronic configuration is ${\text{n}}{{\text{s}}^2}{\text{ n}}{{\text{p}}^5}$. These elements have seven valance electrons and are highly reactive.