The relative atomic masses of all elements have been found with respect to an atom of which of the following chemical elements?
Correct Answer : a ) Carbon-12Explanation :
According to Dalton’s atomic theory, each element had a characteristic atomic mass. The relative atomic masses of all elements have been found with respect to an atom of Carbon-12. Atoms of carbon-12 isotopes are assigned a relative atomic mass of 12 and the relative masses of all other atoms are obtained by comparison with the mass of a carbon-12 atom.
Hence, (a) is the correct answer.
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