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The ions O^(2-), F^-, Na^+, Mg^(2+) and ...

The ions `O^(2-), F^-, Na^+, Mg^(2+)` and `Al^(3+)` iso-electronic. Their ionic radii show are

A

A significant increase from

B

A significant decrease from

C

An increase from `O^(2–)` to `F^(–)` and then decrease from `Na^(+)` to `Al^(3+)`

D

An decrease from `O^(2–)` to `F^(–)` and then increase from `Na^(+)` to `Al^(3+)`

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The correct Answer is:
B
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