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प्रश्न
Give reason for the following:
The size of a Cl− ion is greater than the size of a Cl atom.
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उत्तर
An anion gets formed when one or more electrons are gained. Thus, there are more electrons than protons. The nucleus's effective positive charge is reduced, resulting in less inward pull. As a result, the size becomes larger.
\[\ce{\underset{(2, 8, 7)}{Cl}+e- ->\underset{(2, 8, 8)}{Cl-}}\]
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