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Out of Li^+, Be^(2+) and B^(3+) ions, wh...

Out of `Li^+, Be^(2+) and B^(3+)` ions, which has the smallest ionic radius and why?

Text Solution

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These ions correspond to first three elements present in second period. Since the atomic radius decreases along period, the ionic radius is also expected to follow the same order. Thus, `B^(3+)` ion has the smallest radius.
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