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EntityQ83327· pop 81· linked from 1,523 articles

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Also known as electron volt, eV

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An electronvolt (eV) is a unit of energy that measures the kinetic energy gained by a single electron when it accelerates through an electric potential difference of one volt. Physicists use electronvolts as a standard way to describe energy in atomic and subatomic processes, where the more familiar joule would result in impractically small numbers.

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Key facts

Unit.name: electronvolt
Unit.standard: Non-SI accepted unit
Unit.quantity: energy
Unit.symbol: eV
Unit.units1: SI units
Unit.units2: CGS units
Unit.units4: kilowatt-hours
Unit.units5: kilocalories (thermochemical)
Unit.units6: BTUs

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Wikidata facts

Instance of: non-SI unit mentioned in and accepted with the SI
Named after: electron

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conversion to SI unit: 0.0000000000000000001602176634
measured physical quantity: energy
unit symbol: eV
Wikidata SPARQL query equivalent: wd:Q83327 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)
numeric value: 0.0000000000000000001602176634
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
maintained by WikiProject: WikiProject Mathematics

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