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Question : The relative atomic masses of all elements have been found concerning an atom of:

Option 1: O16

Option 2: S32

Option 3: N15

Option 4: C12


Team Careers360 10th Jan, 2024
Answer (1)
Team Careers360 25th Jan, 2024

Correct Answer: C12


Solution : The correct option is C12

The relative atomic masses of all elements have been found concerning an atom of carbon-12 (C12). The carbon-12 isotope was chosen as the reference standard for atomic masses. By definition, one atomic mass unit (u) is exactly 1/12th of the mass of a carbon-12 atom.

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