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What Is Atomic Mass?

The atomic mass is the weighted average of all the isotopes of that element, in which the mass of each isotope is multiplied by the abundance of that particular isotope. We signify the atomic mass as ‘A’. Isotopes are atoms with different atomic masses. The atomic mass is written as a superscript of the notation of an atom.

We can easily find the number of neutrons from the notation of any atom. If the number of neutrons is ‘N’ of any atom is, then the atomic mass formula is given below.

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