Atomic Structure + Isotopes

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4 Terms

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Isotopes Definition

Form of a chemical element that has the same number of protons but different number of neutrons

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Ion Definition

When protons do NOT equal electrons

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Steps to finding the average atomic mass

1) Turn all percents into decimals

2) Multiply each element by its atomic mass

3) Add everything

** DON’T FORGET SIGFIGS!

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What is the difference between an ion and an isotope?

An ion is an atom or molecule that has gained or lost electrons, resulting in a net electrical charge. An isotope is a different version of the same element with the same number of protons but a different number of neutrons