Question

Why do elements lose electrons from their penultimate shell? Give a bit detailed answer.​

Answer 1

Explanation:

This increases the screening effect by larger number of electrons. Thus, theeffective nuclear charge on the outer most electron decreases more than that has been observed in d-block elements. Penultimate shell means the 2nd last shellin which electrons are filled in an atomic orbital

Answer 2

yes he is correct

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