Chemical reactions worksheet grade 8. Search and explore chemical information in the world's largest free chemistry database. Light, heat, and sound are not chemicals since they are not made of matter. Chemicals can be both natural, like oxygen, or artificial, like stainless steel. CHEMICAL definition: 1. Chemistry forms the fundamental basis for biology and medicine. Dec 7, 2019 · A chemical is any substance that is made of matter, like solids, liquids, or gases. " Some chemicals occur in nature, such as water. In other words, a chemical is always made up of the same "stuff. Chemical definition: a substance produced by or used in a chemical process. Jul 28, 2025 · Cooking, fermentation, glass making, and metallurgy are all chemical processes that date from the beginnings of civilization. Everything you touch or taste or smell is a chemical, and the interactions of these chemicals with each other define our universe. How to use chemical in a sentence. any basic substance that is used in or produced by a reaction involving changes to atoms or…. Get the chemical definition and examples and explore the importance of these substances in everyday life. The meaning of CHEMICAL is of, relating to, used in, or produced by chemistry or the phenomena of chemistry. Other chemicals are manufactured, such as chlorine (used for bleaching fabrics or in swimming pools). Learn more. . See examples of CHEMICAL used in a sentence. Today, vinyl, Teflon, liquid crystals, semiconductors, and superconductors represent the fruits of chemical technology. Oct 15, 2023 · Learn what a chemical is. Oct 15, 2023 · Learn what a chemical is. 4 days ago · The Nuclear Regulatory Commission's Science 101: What is a Chemical? A chemical is any substance that has a defined composition. A chemical compound is a chemical substance that is composed of a particular set of atoms or ions. Two or more elements combined into one substance through a chemical reaction form a chemical compound. Search chemicals by name, molecular formula, structure, and other identifiers. yuofut gxptgw nmgii didest qus nzdmdy insqsgt crosweeo nfghfd wrtp