Question

What is the signification of the word 'average' in the defination of atomic mass.

Answer 1

Answer:

Explanation:

Because the atomic mass on the periodic table is actually the average mass of all the naturally occurring isotopes of that element.

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Answer 2

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All have an atomic number of 6 since that's the definition of the element carbon. ... Therefore the average atomic mass is calculated with respect to the abundance of an element's isotopes in nature, thus being more representative of the most likely atomic mass of a sample of that element.