Electron repulsion

It’s possible for two electrons to both repel each other, if they are moving towards each other and they get close enough.

Photon emission

In this case, both of the electrons emit a photon each, which is the exchange particle which has the force to cause the two electrons to repel.

flashcards

QuestionAnswer
What happens when two electrons moving towards each other get close enough?They both emit a photon each, which is the exchange particle causing repulsion.
What is the exchange particle for electron-electron repulsion?A photon.