Define atomic mass unit
Answer
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An atomic mass unit (symbolized AMU or amu) is defined as precisely 1/12 the mass of an atom of carbon -12.
The carbon -12 (C -12) atom has six protons and six neutrons in its nucleus. The AMU is used to express the relative masses of, and thereby differentiate between, various isotopes of elements.
Last updated date: 30th May 2023
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