A chemical substance is a unique form of matter with constant chemical composition and characteristic properties. Chemical substances may take the form of a ...

8 days ago · 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 ...

Duration: 3:26
Posted: Apr 13, 2023

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, ...

any basic substance that is used in or produced by a reaction involving changes to atoms or molecules: His business manufactured farm chemicals.

A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical ...

adjective. of, used in, produced by, or concerned with chemistry or chemicals: a chemical formula; chemical agents. used in chemical warfare: chemical weapons.

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 ...

ACS is one of the world's largest scientific societies and the premier home of chemistry professionals. Find career opportunities, educational resources, ...

Search and explore chemical information in the world's largest free chemistry database. Search chemicals by name, molecular formula, structure, ...