Why do we use relative atomic mass if we know the exact atomic mass?

Asked by Abhishek Singh | 23rd Oct, 2010, 11:50: AM

Expert Answer:

The relative atomic mass, or atomic weight, of an element is the weighted average of the masses of the isotopes in the naturally occurring element relative to the mass of an atom of the carbon-12 isotope which is taken to be exactly 12.
and exact atomic  mass comes out from this relative atomic mass approach only.

Answered by  | 23rd Oct, 2010, 09:27: PM

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