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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. Particulate Matter (PM) Basics | US EPA

    May 30, 2025 · Particle pollution is the term for a mixture of solid particles and liquid droplets found in the air. These include "inhalable coarse particles," with diameters between 2.5 …

  3. PARTICLE Definition & Meaning - Merriam-Webster

    The meaning of PARTICLE is a minute quantity or fragment. How to use particle in a sentence.

  4. PARTICLE | English meaning - Cambridge Dictionary

    PARTICLE definition: 1. a word or a part of a word that has a grammatical purpose but often has little or no meaning…. Learn more.

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

    Oct 15, 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, …

  6. Particles - 20+ Examples, Definition, Formula, Types, Properties, Size

    Aug 29, 2024 · Particles can be atoms, molecules, or subatomic particles like protons, neutrons, and electrons. These tiny units are the building blocks of all substances, both living and non …

  7. 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 …

  8. What is the arrangement of particles in a solid, liquid and gas

    Key points Almost everything is made of particles. Particles can be atoms, molecules or ions. Particles behave differently in solids, liquids and gases.

  9. What Is a Particle? - Quanta Magazine

    Nov 12, 2020 · Given that everything in the universe reduces to particles, a question presents itself: What are particles? The easy answer quickly shows itself to be unsatisfying. Namely, …

  10. 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 …