How does the atomic mass change depending on the isotope?

1 Answer
jkpatterson63
Oct 18, 2015

Because isotopes reflect changes in the number of neutrons, they have higher or lower atomic masses depending on the isotopes you are comparing.

Explanation:

Atomic masses on the periodic table are the number of grams per mole of a substance. Isotopes are atoms that have the same number of protons, but different numbers of neutrons. Moles are just a specific number of atoms, so changing the number of neutrons will increase or decrease the atomic mass depending on isotopes you are comparing.

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