Electrons

Definition

Electrons are subatomic particles with a negative electric charge. They orbit around the nucleus of an atom in specific energy levels or shells.

Related terms

Orbitals: Regions around the nucleus where electrons are most likely to be found.

Valence Electrons: The electrons present in the outermost shell of an atom that participate in chemical reactions.

Ionization Energy: The amount of energy required to remove an electron from its orbital.