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Which of the following has the smallest ...

Which of the following has the smallest size?

A

`Na^(+)`

B

`Mg^(+2)`

C

`Cl^(-)`

D

`F^(-)`

Text Solution

Verified by Experts

The correct Answer is:
B
As the nuclear charge per `e^(-)` is maximum in `Mg^(+2)`, it has smallest size among `Na^(+), Mg^(+2), Cl^(-)` and `F^(-)`.
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