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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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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 - 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 Definition & Meaning - Merriam-Webster
How to use chemical in a sentence. of, relating to, used in, or produced by chemistry or the phenomena of chemistry; acting or operated or produced by chemicals… See the full definition
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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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Chemistry | Definition, Topics, Types, History, & Facts | Britannica
Chemistry, the science of the properties, composition, and structure of substances (defined as elements and compounds), the transformations they undergo, and the energy that is released or absorbed during these processes. Chemistry is concerned with the properties of atoms and the laws governing their combinations.
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CHEMICAL Definition & Meaning | Dictionary.com
Chemical definition: . See examples of CHEMICAL used in a sentence.
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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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1.2: Basic Definitions - Chemistry LibreTexts
The definition of the term substance is an example of how chemistry has a specific definition for a word that is used in everyday language with a different, vaguer definition. Here, we will use the term substance with its strict chemical definition. Chemistry recognizes two different types of substances: elements and compounds.
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Chemical in Science | Definition, Advantages & Disadvantages
Definition of Chemicals Among the most important concepts in science are chemicals . Understanding what chemicals are and how they influence our daily lives is key to studying chemistry, biology ...