Question

Whic of the following is to be used as standard atomic mass​

Answer 1

The C-12 isotope of the carbon is the stable isotope which is not much affected as compared to others elements, Thus it is chosen as the standard for expressing the atomic mass and the molecular mass of the substance. The reason is the isotope of Carbon as 6 protons and 6 neutrons in its nucleus (₆C¹²).

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Answer 2

Answer:

The C-12 isotope of the carbon is the stable isotope which is not much affected as compared to others elements, Thus it is chosen as the standard for expressing the atomic mass and the molecular mass of the substance. The reason is the isotope of Carbon as 6 protons and 6 neutrons in its nucleus (₆C¹²).