Question

Which of the following have similar electronic configuration as that of argon?
(i)potassium ion
(ii) sulphide ion
(iii) oxide ion
(iv) chloride ion

(a)i and iii
(b)i,ii and iii
(c) ii,iii and iv
(d) i,iii and iv​

Answer 1

Answer:

(c) 1 2 and 4

Explanation:

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