Question

what is atomic mass​

Answer 1

Answer:

It is the relative mass of the atoms of an element compared with the mass of an carbon 12 isotope taken as 12 units

Answer 2

Answer:

the mass of an atom of a chemical element expressed in atomic mass units. it is a 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.

Explanation:

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