Which Ion Is NOT Isoelectronic (I

question 64

Multiple Choice

Which ion is NOT isoelectronic (i.e.has the same electron configuration) with Ar? The electron configuration of Ar is shown.

• A)Cl⁻
• B)K⁺
• C)Br⁻
• D)Ca²⁺
• E)S²⁻

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