Question

Which of the following molecules or ions are isoelectronic: SO3, NF3, NO3-, CO32-?
A.SO3 and NF3
B.NF3 and CO32-
C.SO3, NF3 and CO32-
D.SO3, NO3- and CO32-
E.SO3, NF3, NO3-, and CO32-

Answer

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