Particles that compose an atom.
A subatomic particle can be either a composite particle (made up of other particles, such as a proton, neutron, or meson) or an elementary particle (made up of no other particles).
Particles that compose an atom.
A subatomic particle can be either a composite particle (made up of other particles, such as a proton, neutron, or meson) or an elementary particle (made up of no other particles).