Question

what is the atomic mass of a atom

Answer 1

Here is your answer mate..!!

an atom of carbon with six neutrons, carbon-12, has an atomic mass of 12 amu.

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Answer 2

Answer:

Atomic mass of an atom is the mass number of the atom, it is the combination of proton and neutron of a cell. In other words it is the mass of nucleus of the cell

Example :- Mass of sodium is 23 number of proton in sodium is 11 and neutron is 12. So 11 + 12 is 23