Question

Define atomic mass unit​

Answer 1

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★Define atomic mass unit★

a unit of mass for expressing masses of atoms, molecules, or nuclear particles equal to ¹/₁₂ the mass of a single atom of the most abundant carbon isotope 12C.

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Answer 2

Answer:

The unit of mass used to express atomic and molecular weight,equals to one twelfth of the mass of an atom of carbon - 12.