Question

ionization potential of mg and p are higher than their neighbours. why?​

Answer 1

Answer:

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Explanation:

The second ionization energy of any element will be higher than its first ionization energy in the way that the first electron is being removed from a neutral atom and the 2nd electron is being removed from a positively charged ion that is already electron deficient, as already 1 electron is being removed so the effective nuclear charge will definitely going to increase , which causes a strong attraction between the nucleus and the outermost electron. So the second ionization energy is higher than that of first ionization energy of an element.

Answer 2

The ionization potential of mg and p is higher than their neighbours because of the following reasons:-

• Magnesium's valence electrons are more stable than those of its neighbours because magnesium contains one additional proton in its nucleus. Even though their valence electrons are in the same type of orbital (3s) as theirs, they are more attracted to the more positive nucleus and hence more difficult to remove.
• In the case of phosphorus, the 'p's orbital is filled. Filled orbitals are more stable in general. As a result, removing an electron requires more energy.