Glossary of Scientific Terms

Dry Ice

Previous Term

(Dry Ice)

Glossary Main Index

Next Term

(Electron Capture)

Electron Capture

Electron

An Electron

Electrons are negatively charged particles that surround the atom's nucleus. Electrons were discovered by J. J. Thomson in 1897.

Particle Data

SymbolMassHalf-lifeChargeSpin
e-0.511 MeVstable-11/2