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[Chemical Knowledge]：What is a particle? Explain the definition and composition of a particle.

Read： 1763 Time：16months ago Source：Transform the World with Simplicity

A particle is a microscopic body of matter formed by a collection of matter of a certain shape and size, which can be solid, liquid or gaseous. In nature and industrial production, particles are one of the most common and basic forms of matter. For example, powders, granulated sand, sugar grains, salt grains, and the like are granules.

So, what is the composition of the particle? The composition of the particle can be a single substance or a mixture, which is related to the application field and function of the particle. In the field of materials science, the components of particles are usually represented by chemical formulas or molecular formulas. For example, the molecular formula of silicon dioxide is SiO2, the molecular formula of sodium chloride is NaCl, etc.

particles are widely used in medicine, food, chemical, petroleum, metallurgy, energy and other industrial fields. In the pharmaceutical industry, granules are mainly used in drying, granule preparation, tabletting and filling processes in the pharmaceutical process. In the food industry, granules are widely used in the fields of seasonings, additives and food preservatives. The application of particles also includes the manufacture of chemical materials, coatings, plastics and building materials.

In addition, the particles are also used in scientific research and medical fields. For example, in biomedical research, particles are used in pharmacodynamics and toxicology studies to study the absorption and distribution of drugs in the body. In the field of astronomy, the characteristics of particles are used to study planets, star formation and other topics.

particles are a very common form of matter, which are widely used in industry, science and technology, medical and other fields. Particles of different compositions, shapes and sizes can have different applications and functions. Therefore, understanding the definition and composition of particles is very important for practitioners and students in related fields. It is hoped that this paper can provide readers with some valuable knowledge reference.

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