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electron
1. A negatively charged, low-mass particle which orbits the nucleus of an atom or exists free in space and in stars.
2. An elementary particle of an atom with a negative electrical charge and a mass of 1/1837 of a proton; electrons surround the positively charged nucleus of an atom and determine the chemical properties of an atom.
2. An elementary particle of an atom with a negative electrical charge and a mass of 1/1837 of a proton; electrons surround the positively charged nucleus of an atom and determine the chemical properties of an atom.
The movement of electrons in an electrical conductor constitutes an electric current.
This entry is located in the following unit:
Astronomy and related astronomical terms
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Word Entries containing the term:
“electron”
electron volt; eV
The amount of kinetic energy gained by an electron when accelerated through an electric potential difference of 1 Volt; equivalent to 1.603 x 10^-19; a unit of energy or work.