explain Atomic mass unit
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ATOMIC MASS UNIT- unit of mass used to express atomic and molecular weights, equal to one twelfth of the mass of an atom of carbon-12.
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shubham241:
the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.
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