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A student reported the radii of 'Al^(3+)...

A student reported the radii of 'Al^(3+), Mg^(2+)' and 'F' as '136 pm, 65 pm' and '50 pm' respectively. Is the order correct? Comment.

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The order is not correct. The correct order should be .Al^3+, Mg^2+. and .F. as .50 pm. .65 pm. and .136 pm. respectively.
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