Which of the following species is isoelectronic with S^2-? A) Mg²⁺ B) Rb⁺ C) Ar D) As^3- E) Br^-

Name: Which of the following species is isoelectronic with S 2- ? A) Mg 2+ B) Rb + C) Ar D) As 3- E) Br -
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Isoelectronic species have the same number of electrons. The given species has a total of 38 electrons (counting all the subscripts) and only option (C) Ar has 38 electrons in its neutral state. The other options have either more or fewer electrons than the given species.

Which of the Following Species Is Isoelectronic with S2-

Which of the Following Species Is Isoelectronic with S^2-