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What Is a Chemical? Definition and Examples Learn what a chemical is Get the chemical definition and examples and explore the importance of these substances in everyday life
PubChem PubChem is the world's largest collection of freely accessible chemical information 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
What Is and Is Not a Chemical? - ThoughtCo A chemical is any substance that is made of matter, like solids, liquids, or gases 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
Chemistry | Definition, Topics, Types, History, Facts . . . Chemistry is 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
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 What is a Chemical ? Printable Version 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) Chemicals are
Chemical Database - ChemSynthesis Chemical Synthesis Database ChemSynthesis is a freely accessible database of chemicals This website contains substances with their synthesis references and physical properties such as melting point, boiling point and density There are currently more than 40,000 compounds and more than 45,000 synthesis references in the database