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Which pairs of ions are isoelectronic? A. F - and Cl - B. F - and O - C. Na+ and K+ D. Na+ and Mg+2

Which pairs of ions are isoelectronic? A. F - and Cl - B. F - and O - C. Na+ and K+ D. Na+ and Mg+2

Grade:upto college level

1 Answers

Gaurav
askIITians Faculty 164 Points
6 years ago
Hello Student
Atomic number of Na is 11, Na+ would have 10 electrons.
Atomic number of Mg is 12. Mg2+would have 10 electrons.
So Na+ and Mg2+ are isoelectronic species.

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