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Particle

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In the physical sciences, a particle (or corpuscule in older texts) is a small localized object to which can be ascribed several physical or chemical properties, such as volume, density, or mass. They vary greatly in size or quantity, from subatomic particles like the electron, to microscopic particles like atoms and molecules, to macroscopic particles like powders and other granular materials. Particles can also be used to create scientific models of even larger objects depending on their density, such as humans moving in a crowd or celestial bodies in motion.

Particle - Wikipedia Jump to content From Wikipedia, the free encyclopedia Small localized object For other uses, see Particle (disambiguation) . It has been suggested that Massless particle be merged into this article. ( Discuss ) Proposed since March 2026. Arc welders need to protect themselves from welding sparks , which are heated metal particles that fly off the welding surface In the physical sciences , a particle (or corpuscle in older texts) is a separate part of a larger system. Depending on the system they vary greatly in size or quantity, from subatomic particles like the electron ,

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