a. Do the proton and the neutron have exactly the same mass? The mass of the proton is identical to the mass of the neutron. b. How do the masses of the proton and the neutron compare to the mass of the electron? The mass of the proton and the mass of the

Last updated: 7/28/2022

a. Do the proton and the neutron have exactly the same mass? b. How do the masses of the proton and the neutron compare to the mass of the electron? c. Which particles make the greatest contribution to the mass of an atom? (Select all that apply.) protons neutrons electrons