Question

which of the following is the standard for atomic mass

Answer 1

Answer:

standard form for Atomic mass is gram

Answer 2

Answer:

carbon

carbonThe 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).