GENERAL CHEMISTRY I Unit 10: Solids

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Solids are one of the three main states of matter, along with liquids and gases. A solid is a type of matter that has a defined shape and volume and is characterized by a rigid and ordered arrangement of its particles.

In solids, the particles (atoms, molecules, or ions) are packed closely together in a fixed arrangement and are held in place by strong intermolecular forces. This gives solids their characteristic strength and rigidity. Solids also have a relatively low compressibility, meaning that their volume does not change significantly under pressure. There are several types of solids, including crystalline solids, amorphous solids, and molecular solids. Crystalline solids have a repeating, ordered arrangement of particles, while amorphous solids have a more random arrangement of particles. Molecular solids consist of individual molecules held together by intermolecular forces. Examples of solids include metals, rocks, and ice. Solids play an important role in our daily lives, as they are used in the construction of buildings and infrastructure, in the manufacturing of products, and as ingredients in many foods and medicines.