Question

what is atomic mass ​

Answer 1

Answer:

thanks for asking❤

Explanation:

the total mass of the protons, neutrons, and electrons in a single atom when it is at rest. ... Chemists used a scale that showed that the natural mixture of oxygen isotopes had an atomic mass 16. Physicists assigned 16 to the atomic mass of the most common oxygen isotope.Sep

Answer 2

The atomic mass is the mass of an atom. Although the SI unit of mass is kilogram, the atomic mass is often expressed in the non-SI unit dalton where 1 dalton is defined as ¹⁄₁₂ of the mass of a single carbon-12 atom, at rest.