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Bookmark or Share- What is an electron? - TechTargetAn electron is a negatively charged subatomic particle that can be either bound to an atom or free (not bound). An electron that is bound to an atom is one of the three primary types of particles within the atom -- the other two are protons and neutrons. Together, protons and electrons form an atom's nucleus.
- Electron - WikipediaThe electron ( e−. or. β−. ) is a subatomic particle with a negative one elementary electric charge. [13] . Electrons belong to the first generation of the lepton particle family, [14] and are generally thought to be elementary particles because they have no known components or substructure. [1] .
- The periodic table, electron shells, and orbitals - Khan AcademyElectron configurations and the periodic table. Elements are placed in order on the periodic table based on their atomic number, how many protons they have. In a neutral atom, the number of electrons will equal the number of protons, so we can easily determine electron number from atomic number.
- What Is an Electron? Definition and Facts - Science Notes and ...An electron is a subatomic particle with a negative electrical charge. Electrons are subatomic particles. Atoms are made of protons, neutrons, and electrons. Of these three particles, the electron has the smallest mass. Here is the definition of the electron, along with its word origin, history, and interesting facts.
- Protons, neutrons, and electrons in atoms - Khan AcademyAtoms are made up of three types of subatomic particles: protons, neutrons, and electrons. Protons and neutrons are found in the nucleus, the dense region at the center of an atom. Electrons are found outside the nucleus. Protons are positively charged and have a mass of about 1 u.
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