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3. The sign of the relative atomic mass is A.Ra B.Am C.Ar

3. The sign of the relative atomic mass is A.Ra B.Am C.Ar-example-1

1 Answer

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Relative atomic mass or atomic weight: is a dimensionless physical quantity defined as the ratio of the average mass of atoms of a chemical element in a given sample to the atomic mass constant.

Its symbol is Ar

Answer:


A_r

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