Why is an elements atomic mass not listed as a whole number in the periodic table

2 answers:

7 0

Answer:

They aren't listed as a whole number, because an atom's mass is not always a whole number. The mass differs between types of atoms as well.

Grace [21]3 years ago

3 0

Answer:

This is because atoms ionize, isotopes exist, and the fact that their are impurities.

Explanation:

Each atomic mass could not be calculated accurately if it was a whole number.

- Hope this helped! Please let me know if you need further explanation.

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