Question

Explain the need for a reference atom for atomic mass . Give imformation about two reference atoms .

Answer 1

Answer:

The relative mass of a hydrogen atom which has only one proton in its nucleus was accepted as one (1). Therefore, the magnitude of the relative atomic masses of various atoms became equal to their atomic mass number (p + n).

Answer 2

Answer:

The relative mass of a hydrogen atom which has only one proton in its nucleus was accepted as one (1). Therefore, the magnitude of the relative atomic masses of various atoms became equal to their atomic mass number (p + n).

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