Question

what is atomic mass ?
Answer as soon as possible....​

Answer 1

Answer:

the mass of an atom of a particular chemical substance

Answer 2

Answer:

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.