Divyanka ShuklaKnowledge Contributor
which element has the best standard of atomic mass
which element has the best standard of atomic mass
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Since the chemical atomic weights of carbon 12 are almost equal to those of the natural mix of oxygen, it was selected as the standard. Since no other nuclide has an identical whole-number mass on this scale except carbon-12. Six protons, six neutrons, and six electrons make up carbon-12.