Question

What is atomic mass of an atom?​

Answer 1

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.

Answer 2

Answer:

Atomic mass is the sum of number of protons and number of neutrons in an atom.

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