Which of the following gives the correct increasing order of the atomic radii of O, F and N?

Which of the following gives the correct increasing order of the atomic radii of O, F and N?

Q. Which of the following gives the correct increasing order of the atomic radii of O, F and N?

A.            O, F, N

B.            N, F, O

C.            O, N, F

D.            F, O, N

Answer: F, O, N

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