Class 11 NEET Chemistry Classification Of Elements And Periodicity In Properties

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Question : 36 of 53

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The ions O2−,F−,Na+,Mg2+ and Al3+ are isoelectronic. Their ionic radii show

(2003)

a significant increase from O2− to Al3+
a significant decrease from O2− to Al3+
an increase from O2− to F− and then decrease from Na+ to Al3+
a decrease from O2− to F− and then increase from Na+ to Al3+

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