NEET 2023 Physics and Chemistry Solved Paper Code C4 (Manipur)

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Question : 66 of 100

Marks: +1, -0

Which one of the following represents all isoelectronic species?

[NEET 2023 mpr]

Na+,Cl−,O−,NO+
N2O,N2O4,NO+,NO
Na+,Mg2+,O−,F−
Ca2+,Ar,K+,Cl−

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