Which of the following has the largest size?

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Question

(A) The size of an ion is smaller than its corresponding neutral atom because the removal of electrons leads to a decrease in the number of shells or

Vedclass · Accepted Answer

$Al$

Vedclass · Answer

(A) The size of an ion is smaller than its corresponding neutral atom because the removal of electrons leads to a decrease in the number of shells or an increase in the effective nuclear charge per electron. For the same element,the size decreases as the positive charge increases. Therefore,the order of size is $Al > Al^{+} > Al^{2+} > Al^{3+}$. Thus,$Al$ has the largest size.

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