Question:
Isotopes differ in the number of _ inside the nucleus and
Last updated: 8/5/2022
![Isotopes differ in the number of _ inside the nucleus and](https://media.kunduz.com/media/sug-question/raw/57648434-1659725430.9276066.jpeg?h=512)
Isotopes differ in the number of _ inside the nucleus and therefore they differ in _. Select the choice that correctly fills in the blanks protons, charge protons, mass electrons, charge electrons, mass neutrons, mass