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  1. Electron - Wikipedia

    In atoms, an electron's matter wave forms an atomic orbital around a positively charged atomic nucleus. The configuration and energy levels of an atom's electrons determine the atom's …

  2. Electron | Definition, Mass, & Facts | Britannica

    Nov 8, 2025 · In a neutral atom the number of electrons is identical to the number of positive charges on the nucleus. Any atom, however, may have more or fewer electrons than positive …

  3. What Is an Electron? Definition and Facts

    Dec 8, 2018 · Learn what an electron is. Get its definition, learn where to find electrons, and understand the properties of this type of matter.

  4. Science Made Simple: What Are Electrons? - SciTechDaily

    May 21, 2024 · Electrons are elementary subatomic particles with negligible mass that surround the nucleus of an atom. They are bound to the nucleus due to electromagnetic attraction, with …

  5. DOE Explains...Electrons | Department of Energy

    The electron is a subatomic particle that is found in all atoms. Unlike protons, neutrons, or the nuclei of atoms, electrons are elementary particles. This means they are not made of even …

  6. What is an Electron? - GeeksforGeeks

    Jul 23, 2025 · Electrons are subatomic particles that have an elementary charge of (-1) magnitude. The charge held by an electron is equal in magnitude and has the opposite sign to …

  7. Electron Definition in Science - ThoughtCo

    Jun 9, 2025 · Electrons are negatively charged particles found outside the nucleus of an atom. Electrons are much lighter than protons and are key in conducting electricity in solids. …

  8. What Are Electrons? The Movers of Modern Technology

    Jun 1, 2025 · Electrons became the building blocks of charge, interaction, and motion—key players in a universe that was far more dynamic and mysterious than Newton had imagined.

  9. 9: Electrons in Atoms and the Periodic Table - Chemistry ...

    9.E: Electrons in Atoms and the Periodic Table (Exercises) This page discusses light and atomic structure, covering electromagnetic radiation properties, the Bohr model, and quantum …

  10. 1.9: The Properties of Protons, Neutrons, and Electrons

    Electrons have an electric charge of -1, which is equal but opposite to the charge of a proton, which is +1. All atoms have the same number of electrons as protons, so the positive and …