1.

Assertion (A) : Atoms of same element may not similar in all respects. Reason (R ) : Atoms of same element have same atomic number but different number of neutrouns.

Answer»

Both (A) and (R ) are CORRECT
Both (A) and (R ) are WRONG
(A) is correct but (R ) is wrong
(A) is wrong but (R ) is correct

Solution :Both (A) and (R ) are wrong


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