Question

research on the relative mass and charge of a proton-electron and neutron.

Answer 1

Answer:The relative mass of a proton is 1, and a particle with a relative mass smaller than 1 has less mass. The mass of electrons is very small compared to protons and neutrons.

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Subatomic particles.

Subatomic particle       Relative mass    Relative charge

Proton                                 1                     +  1

Neutron                                 1                        0

Electron                            0.0005                     -1