Most subatomic particles have mass, whether small for electrons, or larger for protons or charm quarks. A few are massless, like photons. For a long time, it was debated whether neutrinos were ...

They explain the relative masses, sizes, locations and charges of these subatomic particles. Introduce students to the three subatomic particles, each with a specific charge, mass and position ...

Baryons are subatomic particles made up of three quarks ... which are graphical representations that relate the spin and mass of particles, and found that experimental data aligned well with ...