chemical decomposition A reaction in which a chemical compound is split up into its elements or simpler compounds. Heat, or light of a suitable wavelength, will decompose many compounds, and some decompose spontaneously. Ionic compounds may be decomposed by electrolysis. Double decomposition is a reaction of the type AC + BDin which radicals are exchanged. Related category PHYSICAL CHEMISTRY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |