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Which one of the following pairs are isoelectronic?  a. Mn2+ and Ar b. zn 2+ and Cu2+ c. Na+ and K+ d. Cl- and S e. K+ and Cl?

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  • Which one of the following pairs are isoelectronic?  a. Mn2+ and Ar b. zn 2+ and Cu2+ c. Na+ and K+ d. Cl- and S e. K+ and Cl?


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