Question

Why is the value of the second ionization energy is much higher than that of the first ionization energy?

Answer 1

When one electron is removed from an atom, the neutral atom becomes positive. When one attempts to remove a second electron from a positive ion, there is more attraction between the electrons and the nucleus due to the extra proton. Thus, the second electron is harder to remove and the ionization requires more energy.
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Answer 2

value of second ionization energy is greater than first ionization energy as first electron has already been taken which means the atom has a positive charge and the nuclear charge or the charge of the protons has been increased and the charge of electrons so it will hold a electron small tightly and in order to lose one more electron we need to give a very large amount of energy as such in case of hydrogen if we want to take out one electron then we can take it easy but when we take out second electron we have taken out from the inner orbital self to it will require more energy




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