The particle which has the same number of orbital electrons as a potassium ion is...?

Question

A) Ce+3
B) K0
C) Ne0
D) S-2

Answer 1

A potassium ion will have 18 electrons and the same electron configuration as Argon. S2- ion will also have the same number of electrons., so D is your answer.

Answer 2

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Answer 3

D