017. Mg2+ is isoelectronic withO a) CazO b) NaO c) Zna-O d) Cuz

1.	017. Mg2+ is isoelectronic withO a) CazO b) NaO c) Zna-O d) Cuz
Answer» b) NaExplanation:CORRECT option isb)Na + Isoelectronic SPECIES have the same number of electrons. Mg has ATOMIC number =12 which is its total number of electrons.Mg 2+ =10 electrons Na + contains 10 electrons.Hence, they are isoelectronic species.

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