Classification Of Elements And Periodicity In Properties Question 139

Question: Which is smallest in size [RPMT 1997]

Options:

A) $ {{O}^{2-}} $

B) $ {{C}^{4-}} $

C) $ {{F}^{-}} $

D) $ {{N}^{3-}} $

Show Answer

Answer:

Correct Answer: C

Solution:

As the nuclear charge per electron is maximum in $ {{F}^{-}} $ . Therefore it is smallest in size.



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