Chemistry, asked by Aakrit5944, 1 year ago

Atomic mass of an element is not necessarily a whole number because :

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Answered by suhanabarnwal7

Atomic weight is expressed in terms of atomic mass unit. By definition, amu of carbon atom of atomic mass number 12 is 12 amu. Because most elements have more than one isotope. Different isotopes differ in the number of neutrons in the nucleus.

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