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  1. Particle - Wikipedia

    These would include particles such as the constituents of atoms – protons, neutrons, and electrons – as well as other types of particles which can only be produced in particle …

  2. Subatomic particle | Definition, Examples, & Classes | Britannica

    Dec 12, 2025 · Subatomic particle, any of various self-contained units of matter or energy that are the fundamental constituents of all matter. They include electrons, protons, neutrons, quarks, …

  3. PARTICLE Definition & Meaning | Dictionary.com

    PARTICLE definition: a minute portion, piece, fragment, or amount; a tiny or very small bit. See examples of particle used in a sentence.

  4. What Are Particles in Physics? - California Learning Resource …

    Jun 26, 2025 · In the realm of physics, the term ‘particle’ is far more nuanced than the everyday connotation of a tiny, indivisible object. It represents a fundamental concept in our …

  5. 11.1 Introduction to Particle Physics - OpenStax

    Elementary particle physics is the study of fundamental particles and their interactions in nature. Those who study elementary particle physics—the particle physicists—differ from other …

  6. Science | Particle Physics 101 - Fermilab

    May 6, 2014 · Matter at the smallest scale is made of elementary particles, pieces of matter that cannot be divided into anything smaller. As scientists over the past century have looked …

  7. What Are Particles in Chemistry? Atoms, Molecules, and Ions

    5 days ago · Understanding the characteristics of these particles—primarily atoms, molecules, and ions—is the first step toward comprehending all chemical phenomena. The Internal …

  8. Particle physics: Facts about the elementary particles that make …

    May 26, 2025 · Particle physics describes the universe at the smallest scale. This includes subatomic particles, like protons and neutrons, as well as elementary particles, like quarks and …

  9. The Standard Model - CERN

    All matter around us is made of elementary particles, the building blocks of matter. These particles occur in two basic types called quarks and leptons. Each group consists of six particles, which …

  10. Particle physics - Wikipedia

    The fundamental particles in the universe are classified in the Standard Model as fermions (matter particles) and bosons (force-carrying particles). There are three generations of fermions, …