Q. The correct order of radii is
A) $N\ < \ Be\ < \ B$
B) $F^{-} < O^{2 -} < N^{3 -}$
C) $Fe^{3 +} < Fe^{2 +} < Fe^{4 +}$
D) $Na < Li < K$
Explanation
(b)
Ionic radii decreases significantly from left to right in a period among representative elements
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.