Question

What is atomic mass​

Answer 1

Answer:

the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes is known as atomic mass.

Answer 2

Answer:

the mass of an atom of a particular chemical substance

परमाणु पिंड, पुंज या मात्रा, द्रव्‍यमान

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.

Explanation:

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