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Question

What is the relative atomic mass of an element?


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Solution

Relative atomic mass (R.A.M)

1. It is a ratio of the actual mass of atom with respect to the 1/12th of the mass of carbon -12 atom.

R.A.M =Massof1atomofanelement112×Massof1atomofC-12

2. The relative atomic mass of an element is the average value for the isotopes of the element.

For example, relative atomic mass of carbon is 12.


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