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.

Welcome to the NIST Chemistry WebBook The NIST Chemistry WebBook provides access to data compiled and distributed by NIST under the Standard Reference Data Program. The …

Get detailed information about chemistry and the elements. Solve problems easily using our calculators and solvers.

Dec 7, 2019 · Are you wondering what makes something a chemical? This frequently asked chemistry question with a very specific answer.

May 8, 2019 · This is the definition of a chemical, as used in chemistry, chemical engineering, and physics. Two definitions are provided.

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CHEMICAL meaning: 1. any basic substance that is used in or produced by a reaction involving changes to atoms or…. Learn more.