JIPMER 2019 Morning Papers Online Practice

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Question : 1 of 128

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‌19F‌−1 , ‌16O‌−2 , ‌20Ne choose the correct statement

Both O‌−2 and F‌− are isoelectronic
All given have equal no of e‌−
F‌− and Ne have equal number of e‌−
All

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