1.

Assertion (A) : ""_(1)H^(1),""_(1)H^(2),""_(1)H^(3) are the isotopes of hydrogen. Reason (R ) : The atoms of same element with same mass number but different at numbers are called isotopes.

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


Discussion

No Comment Found

Related InterviewSolutions