Changing the number of which type of subatomic particle makes an atom an isotope?

Question

Ellen Franco

Physics

6 December, 10:56

Changing the number of which type of subatomic particle makes an atom an isotope?

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Mariam Mccarty · Answer 1

Changing the number of neutrons makes an atom an isotope. You can’t change the number of protons because it would change elemental identity, and changing electrons makes the atom an ion, not an isotope.