Question
Which of the following particles has a mass that is almost the same as the mass of a proton?
Responses
electron
electron
positron
positron
beta particle
beta particle
neutron
Responses
electron
electron
positron
positron
beta particle
beta particle
neutron
Answers
GPT-4o mini
The particle that has a mass almost the same as the mass of a proton is the **neutron**.
Protons and neutrons both have a mass of about 1 atomic mass unit (amu), whereas electrons and positrons (which are essentially the same, with the latter being the antimatter counterpart of the electron) have much smaller masses, around 1/1836 of a proton's mass. A beta particle is not a specific particle but rather refers to an electron or positron emitted during radioactive decay, thus also having a much smaller mass than a proton.
Protons and neutrons both have a mass of about 1 atomic mass unit (amu), whereas electrons and positrons (which are essentially the same, with the latter being the antimatter counterpart of the electron) have much smaller masses, around 1/1836 of a proton's mass. A beta particle is not a specific particle but rather refers to an electron or positron emitted during radioactive decay, thus also having a much smaller mass than a proton.