About 627,000 results
Open links in new tab
  1. Electron - Wikipedia

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

  2. 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.

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

    Nov 20, 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 charges and …

  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 neutral …

  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 smaller particles. …

  6. 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.

  7. What is an electron? - TechTarget

    Aug 10, 2022 · An electron is a negatively charged subatomic particle that together with protons and neutrons form an atom's nucleus. Learn why electrons are unique.

  8. Electron: Definition, Symbol & Location with Example

    Feb 2, 2023 · Electrons are one of the three types of subatomic particles that make up an atom. The other two types are protons and neutrons. Unlike protons and neutrons, electrons are fundamental …

  9. ELECTRON Definition & Meaning - Merriam-Webster

    The meaning of ELECTRON is an elementary particle consisting of a charge of negative electricity equal to about 1.602 × 10—19 coulomb and having a mass when at rest of about 9.109 × 10—31 kilogram …

  10. Electrons stay put in layers of mismatched ‘quantum Legos’

    1 day ago · Electrons can be elusive, but Cornell researchers using a new computational method can now account for where they go – or don’t go – in certain layered materials. Physics and engineering …