CHEMISTRY (4.4 atomic number and mass number)
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Last updated 3:34 AM on 9/27/25
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5 Terms
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atomic number
Represents the total number of protons present in an element
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mass number
Defined as the sum of the protons and neutrons
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ion
When a charged atoms transformed into an ____
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cations
Are positively charged
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anions
Are negatively charged
Note 
Flashcards (21)