atomic number and mass number

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Last updated 6:01 PM on 5/14/24
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4 Terms

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atomic number

smaller number

tells the amount of protons

2
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mass number

(mass)ive number

tells the amount of protons and neutrons in nucleus

3
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isotopes

atoms of the same element with different number of neutrons

4
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ions

atoms that have a charge because the have gained or lost electrons