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- What is a Chemical ? | Nuclear Regulatory Commission - NRC
The Nuclear Regulatory Commission's Science 101: What is a Chemical? A chemical is any substance that has a defined composition In other words, a chemical is always made up of the same "stuff " Some chemicals occur in nature, such as water Other chemicals are manufactured, such as chlorine (used for bleaching fabrics or in swimming pools)
- PubChem
Search and explore chemical information in the world's largest free chemistry database Search chemicals by name, molecular formula, structure, and other identifiers
- What Is a Chemical? Definition and Examples - Science Notes and Projects
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
- Substance (chemistry) - Wikipedia
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
- Chemistry | Definition, Topics, Types, History, Facts | Britannica
Cooking, fermentation, glass making, and metallurgy are all chemical processes that date from the beginnings of civilization Today, vinyl, Teflon, liquid crystals, semiconductors, and superconductors represent the fruits of chemical technology
- CHEMICAL Definition Meaning | Dictionary. com
CHEMICAL definition: a substance produced by or used in a chemical process See examples of chemical used in a sentence
- CHEMICAL | definition in the Cambridge English Dictionary
CHEMICAL meaning: 1 any basic substance that is used in or produced by a reaction involving changes to atoms or… Learn more
- Chemical - definition of chemical by The Free Dictionary
Define chemical chemical synonyms, chemical pronunciation, chemical translation, English dictionary definition of chemical adj 1 Of or relating to chemistry 2 Of or relating to the properties or actions of chemicals 3 Of or relating to chemical weapons: chemical warfare
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