electronvolt
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electronvolt

a unit of energy equal to the work done on an electron accelerated through a potential difference of 1 volt. 1 electronvolt is equivalent to 1.602 × 10^--19 joule.

electronvolt [i′lek‚trän ‚vōlt]

(physics)

A unit of energy which is equal to the energy acquired by an electron when it passes through a potential difference of 1 volt in a vacuum; it is equal to (1.60217646±0.00000006) × 10^-19volt. Abbreviated eV.

Electronvolt

A unit of energy used for convenience in atomic systems. Specifically, it is the change in energy of an electron, or of any particle having a charge numerically equal to that of an electron, when it is moved through a difference of potential of 1 mks volt. Its value (in mks units) is obtained from the equation W = qV, where W is energy in joules, q the charge in coulombs, and V the potential difference in volts. For a potential difference of 1 volt and the electronic charge of 1.602 × 10^-19 coulomb, the electronvolt is 1.602 × 10^-19 joule. See Electron, Ionization potential

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electronvolt (redirected from Electron-volts)

electronvolt
(redirected from Electron-volts)