which of the following iso elactrons has lowest ionisation potential a)O^2- b)F- c)Na^+ d) Mg+2
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hey friend see here;-
Given the same number of electrons, 10, as in this case, the one with the higher number of protons will have higher effective nuclear charge and thus smaller size. And the smaller the size of ion, the harder it will be to extract an electron from it thus higher ionization enthalpy.
So O^2- will have the lowest ionization potential
Given the same number of electrons, 10, as in this case, the one with the higher number of protons will have higher effective nuclear charge and thus smaller size. And the smaller the size of ion, the harder it will be to extract an electron from it thus higher ionization enthalpy.
So O^2- will have the lowest ionization potential
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