Glossary · term

Electron

Nuclear & Particle

Domain
Nuclear & Particle

Definition

The light, negatively charged, apparently pointlike particle whose arrangement around a nucleus fixes every chemical property an element has. Found in 1897; no one has yet measured a size for it.

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From the Glossary database in Notion, last edited 2026-08-17. This page is the row, rendered by the build; nothing on it is written by hand.