Question

The ionization energy of He+ is 8.72x10^-18 J atom-1. Calculate the energy of the first stationary state of Li2+ Please answer, I want it's answer veri urgently

Answer 1

Explanation:

Since IEHe+IELi2+=(ZHe+ZLi2+)2=49

∴IELi2+=49×IEHe+=9/4×19.6×10−18

                    =4.41×10−17J/atom

Energy  in stationary state =−IE=−4.41×10−17J/atom