The ionization energy of singly charged anions as electron affinity of the neutral atom

The ionization energy of an atom is the required amount of energy which is provided to the atom, so, that the required number of electrons are removed from outermost shells of the electronic configuration of the atom. It is minimum amount of energy that is required by the atom, so, that it can remove the charged particle from its outer shell.The ionization energy of singly charged anions less same as electron affinity of the neutral atom for the electrons. As, for the anion having the net charge on its body will have larger size then any other normal atom, as the atom will have large and it will be difficult for the nucleus to hold off its whole electronic configuration into one place. This process makes it more easy for the foreign source or agent to remove the required number of charged particles from the atom's outer region.While it may be same as the phenomenon which occurs inside the neutral atom's whole structure, as there is less affinity for the electrons  and that is how the two of them are termed as inter related to one another in the mechanism of having the less affinity for the electrons.