Physics, 11.10.2020 22:01, reyesmtz5414

Which best describes the definition for the atomic mass of an element? It is a ratio based on the mass of the carbon 12 atom.

It is the sum of the protons and neutrons in one atom of the element.

It is twice the number of protons in one atom of the element.

It is a weighted average of the masses of an element's isotopes.

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Which best describes the definition for the atomic mass of an element? It is a ratio based on the m...