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Explain how you can use an atoms mass number and atoic number to determine the number of protrons electrons and neutrons in the atom
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Explain how you can use an atoms mass number and atoic number to determine the number of protrons electrons and neutrons in the atom

User Tim Janke
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Simple!

Atomic number= number of protons AND number of electrons (in an atom)

Mass number= number of neutrons


User Cognophile
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