Question

How is the atomic mass of an element different from the actual mass of an atom​

Answer 1

The mass number is the sum of the number of protons and neutrons in an atom. ... The atomic mass is the average number of protons and neutrons for all natural isotopes of an element

Answer 2

Answer:

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• ✎ Atomic mass of an element is the average mass of a large number of atoms including isotopes which may have different mass from a typical atom.
• This because there can be heavier isotopes contain extra neutrons in the nucleus.

• ✎ The two mass are actually same but their numerical value are different. Atomic mass is depends on carbon-12 atom.

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