1.

Assertion (A) : ""_(6)C^(13) and ""_(7)N^(4) are called Isotones. Reason (R ) : Isotones are the atoms of the different element with different atomic number but same mass number.

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 :(A) is correct but (R ) is wrong


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