Oct 15, 2023 · A chemical is any substance with a definite composition and distinct properties. All matter is made of chemicals, regardless of whether it is natural or synthetic.

Search and explore chemical information in the world's largest free chemistry database. Search chemicals by name, molecular formula, structure, and other identifiers.

In chemistry, substance is a unique form of matter with constant chemical composition and characteristic properties. [1][2] Chemical substances may take the form of a single element or chemical compounds.

Apr 29, 2026 · Cooking, fermentation, glass making, and metallurgy are all chemical processes that date from the beginnings of civilization. Today, vinyl, Teflon, liquid crystals, semiconductors, and …

CHEMICAL definition: a substance produced by or used in a chemical process. See examples of chemical used in a sentence.

CHEMICAL definition: 1. any basic substance that is used in or produced by a reaction involving changes to atoms or…. Learn more.

Chemical changes are different from physical changes, which don't result in a change in substances. One example of a physical change is when water freezes into ice.

Relating to or produced by means of chemistry: a chemical discovery; a chemical change.

Chemical means involving or resulting from a reaction between two or more substances, or relating to the substances that something consists of. ...chemical reactions that cause ozone destruction. ...the …

Dec 7, 2019 · A chemical is any substance that is made of matter, like solids, liquids, or gases. Light, heat, and sound are not chemicals since they are not made of matter. Chemicals can be both …