Riot control agent. After September 11, 2001, the _____________ was established to provide a framework that provides a comprehensive national approach, applicable at all jurisdictional levels and across functional disciplines.
noun, plural: chemicals. (1) A substance made up of chemical elements or produced from a chemical process. (2) A drug, especially illicit or addictive drug. adjective. Of, relating to, or pertaining to, chemistry or a chemical substance.
A chemical compound is a chemical formed from atoms of different chemical elements.The different atoms are joined by chemical bonds. The elements stick together so strongly that the compound behaves like one substance. The chemical that is made depends upon what atoms it is made of and how they are joined together. chemical compound is a chemical formed from atoms of different chemical elements.