key term - Elementary Charge

Definition

The elementary charge is the fundamental unit of electric charge carried by a single electron or proton. It has a magnitude of approximately 1.6 x 10^-19 coulombs.

Related terms

Coulomb (C): The coulomb is the SI unit of electric charge and represents approximately 6.24 x 10^18 elementary charges.

Electron:

An electron is a subatomic particle that carries a negative electrical charge and orbits around the nucleus of an atom.

Proton:

A proton is a subatomic particle that carries a positive electrical charge and resides in the nucleus of an atom.