Identical Particle

Full Title or Meme

Two particles are considered identical when one cannot be distinguished from one another, even in principle.

Context

In Quantum Mechanics two particles (or two waves) that can be considered identical include, but are not limited to, elementary particles (such as electrons), composite subatomic particles (such as atomic nuclei), as well as atoms and molecules1,composite subatomic particles (such as atomic nuclei), as well as atoms and molecules.