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Which of the Following Make an Isoelectronic Pair: Cl^-, O^2-

Question 58

Multiple Choice

Which of the following make an isoelectronic pair: Cl^-, O^2-, F, Ca²⁺, Fe³⁺

A) Ca²⁺ and Fe³⁺
B) O^2- and F
C) F and Cl^-
D) Cl^- and Ca²⁺
E) None of the above.

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