Question

what is atomic mass?
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Answer 1

Answer:

the mass of an atom of a particular chemical substance is known as atomic mass

Answer 2

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• The atomic mass is the mass of an atom. Although the SI unit of mass is the kilogram, atomic mass is often expressed in the non-SI unit dalton where 1 dalton is defined as 1⁄12 of the mass of a single carbon-12 atom, at rest.