CHEMICAL | English meaning - Cambridge Dictionary

A chemical is any basic substance that is used in or produced by a reaction involving changes to atoms or molecules. Learn more about the meaning, usage, and examples of chemical in different contexts and languages.

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What Is a Chemical? Definition and Examples - Science Notes and Projects

A chemical is a substance with a specific composition, such as an element, an alloy, or a compound. Learn how to identify chemicals by their physical and chemical properties, and how they play a role in everyday life.

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What is a Chemical - NRC

A chemical is any substance that has a defined composition and does not change into a different substance. Learn how to identify chemical reactions and how they differ from physical changes with examples and the law of conservation of mass.

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Chemical substance - Wikipedia

A chemical 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. ... In addition to the generic definition offered above, there are several niche fields where the term "chemical substance" may take alternate ...

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What Is a Chemical and What Isn't a Chemical? - ThoughtCo

A chemical is any substance consisting of matter, such as solids, liquids, or gases. Learn the difference between natural and artificial chemicals, and see examples of both types.

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Chemical - Definition, Meaning & Synonyms - Vocabulary.com

A chemical is any mix of raw elements: hydrogen + oxygen produce the chemical water. Water is created by a change in the chemistry of hydrogen and oxygen atoms — a chemical change.

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Chemicals - definition of chemicals by The Free Dictionary

Define chemicals. chemicals synonyms, chemicals pronunciation, chemicals translation, English dictionary definition of chemicals. pl n a. the commercial production and sale of chemical products b. : a chemicals company.

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Elements, compounds and mixtures - BBC Bitesize

There are 118 chemical elements.They are listed on the periodic table close periodic table A table which lists all of the chemical elements and arranges them in a way that is useful. It allows us ...

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CHEMICAL definition and meaning | Collins English Dictionary

Learn the meaning of chemical as an adjective, noun, and adverb, and see how it is used in sentences and collocations. Find synonyms, pronunciation, and word origin of chemical.

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Chemical Definition - Chemistry Glossary - ThoughtCo

Learn the meaning of the word "chemical" as an adjective and a noun in chemistry and common usage. See examples of chemicals and non-chemicals, and how to cite this article.

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Chemical substance

A chemical substance is a unique form of matter with constant chemical composition and characteristic properties. Chemical substances may take the form of a single element or chemical compounds. ... In addition to the generic definition offered above, there are several niche fields where the term "chemical substance" may take alternate ...

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