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- Dictionaryelectron/ɪˈlɛktrɒn/
noun
- 1. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
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The electron is a subatomic particle (denoted by the symbol e− or β−) whose electric charge is negative one elementary charge. Electrons belong to the first generation of the lepton particle family, and are generally thought to be elementary particles because they have no known components or substructure. The electron has a mass that is approximately 1/1836 that of the proton. Wikipedia