- What Is a Chemical? Definition and Examples - Science Notes and Projects
Learn what a chemical is Get the chemical definition and examples and explore the importance of these substances in everyday life
- 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
- PubChem
Search and explore chemical information in the world's largest free chemistry database Search chemicals by name, molecular formula, structure, and other identifiers Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more
- CHEMICAL Definition Meaning - Merriam-Webster
The meaning of CHEMICAL is of, relating to, used in, or produced by chemistry or the phenomena of chemistry How to use chemical in a sentence
- What Is A Chemical ? | NRC. gov
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)
- CHEMICAL | English meaning - Cambridge Dictionary
CHEMICAL definition: 1 any basic substance that is used in or produced by a reaction involving changes to atoms or… Learn more
- What Is and Is Not a Chemical? - ThoughtCo
A chemical is any substance consisting of matter This includes any liquid, solid, or gas A chemical is any pure substance (an element) or any mixture (a solution, compound, or gas) They can either occur naturally or can be created artificially
- 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
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