1.

(A) : Nitrogen has higher ionization energy than that of oxygen. (R ) : Nitrogen atom has smaller atomic size than that of oxygen.

Answer»

Both (A) and (R ) are true and (R ) is the CORRECT explanation of (A)
Both (A) and (R ) are true and (R ) is not the correct explanation of (A)
(A) is true but (R ) is FALSE
Both (A) and (R ) are false

ANSWER :3


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