Question

Give the symbol of element which is isoelectronic to Cl^- and S^2-.
Explain deeply if I understand your explanation I will mark you as Brainlist

Answer 1

Answer: Ar

Explanation:

        Cl has 17 electrons and on adding 1 e we get 18 and becomes Cl^-1

   similarly for S^ -2

             Ar has 18 e in it     so all these 3 are iso electronic

         hope u get it

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