Answers

2016-03-09T15:10:16+05:30
Unit for atomic mass is called atomic mass unit or amu. It is 1/12th the mass of an atom of carbon-12.
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2016-03-09T15:50:32+05:30
One atomic mass unit is a mass equal to exactly one- twelfth (1/12th) the mass of one atom of Carbon-12. The relative atomic masses of all elements have been found with respect to an atom of Carbon-12.
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