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An atom contains one proton, one electron, and one neutron. Which two particles are most similar in mass?
the neutron and the electron
the proton and the electron
the proton and the neutron
the neutron and the atom

User SwampyFox
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1 Answer

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9 votes

Step-by-step explanation:

The proton and neutron are most similar in Mass because they are located in the necleus

User Neilon
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