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Science TNSB Mentoring
Class 10 Crash course
Atoms and molecules
Introduction to atoms and molecules
3.
Relative atomic mass
Question:
1
m.
Pick the correct choice for the following assertion-reason pair:
Assertion (A)
The relative atomic mass of chlorine is \(35.5\).
Reason (R)
Chlorine exists naturally as a mixture of two isotopes, \(Cl - 35\) and \(Cl - 37\), in unequal proportions.
Both A and R are true, and R is the correct explanation of the A
A is true, but R is false
A is false, but R is true
Both A and R are true, and R is not the correct explanation of the A
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