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Electron Definition

Chemistry Glossary Definition of Electron

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An electron is a negatively charged unit of matter.

An electron is a negatively charged unit of matter.

Science Photo Library - MEHAU KULYK, Getty Images
Electron Definition: An electron is a negatively charged component of an atom. Electrons exist outside of and surrounding the atom nucleus. Each electron carries one unit of negative charge and has a very small mass as compared with that of a neutron or proton.

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