electron

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Definition/MeaningWord/Phrase
elementary particle with positive charge; interaction of a positron and an electron results in annihilation antielectron , positron
(physics) a spectrum of radiation caused by electron transitions within an atom; the series of spectrum lines is characteristic of the element atomic spectrum
quark with a charge of -1/3 and a mass about 10,000 times that of an electron beauty quark , bottom quark
high-speed electron or positron emitted in the decay of a radioactive isotope beta particle
cyclotron that accelerates protons up to several billion electron volts bevatron
television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam camera , television camera , tv camera
quark with an electric charge of +2/3 and a mass 2900 times that of an electron and a charm of +1 charm quark
accelerator that imparts energies of several million electron-volts to rapidly moving particles cyclotron
(biochemistry) a class of hemoprotein whose principle biological function is electron transfer (especially in cellular respiration) cytochrome
electron ejected from matter by ionizing radiation delta ray
electron tube diode
stable quark with an electric charge of -1/3 and a mass 607 times that of an electron down quark
electrode that is the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream of electrons and the electrostatic or electromagnetic apparatus that focuses it electron gun
microscopy with the use of electron microscopes electron microscopy
path of an electron around the nucleus of an atom electron orbit , orbit
unit of energy equal to the work done by an electron accelerated through a potential difference of 1 volt electron volt , eV
chemical bond in which one atom loses an electron to form a positive ion and the other atom gains to electron to form a negative ion electrostatic bond , electrovalent bond , ionic bond
electron microscope used to observe the surface structure of a solid field-emission microscope
United States physicist (born in Germany) who with Gustav Hertz performed an electron scattering experiment that proved the existence of the stationary energy states postulated by Niels Bohr (1882-1964) Franck , James Franck
electron that is not attached to an atom or ion or molecule but is free to move under the influence of an electric field free electron
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