AP and TS EAMCET Medical 2020 Model Paper 3

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Question : 123 of 159

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The ions O2−,F−,Na+,Mg2−‌and‌A‌l3− are isoelectronic. Their ionic radii show

A significant increase from O2− to Al3−
A significant decrease from O2− to Al3−
An increase from O2− to F− and then increase from Na+ to Al3−
A decrease from O2− to F− and then increase from Na+ to Al3−

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