Question

define atomic mass ...?​

Answer 1

Answer:

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

Explanation:

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Answer 2

ANSWER.....B.R.O..........

The atomic mass is a mass of atom. All though the SI unit of mass is kilogram,the 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......

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