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ion, in chemistry
(Encyclopedia)ion, atom or group of atoms having a net electric charge. Ionization has many applications. Vapor lamps and fluorescent lamps take advantage of the light given off when positive ions recombine with ...complex ion
(Encyclopedia)complex ion, charged molecular aggregate (see ion), consisting of a metallic atom or ion to which is attached one or more electron-donating molecules. In some complex ions, such as sulfate, SO4−2, t...chemistry
(Encyclopedia)chemistry, branch of science concerned with the properties, composition, and structure of substances and the changes they undergo when they combine or react under specified conditions. Organic chemi...Bratianu, Ion
(Encyclopedia)Bratianu, Ion: see under Bratianu, family. ...Antonescu, Ion
(Encyclopedia)Antonescu, Ion yôn äntônĕsˈko͞o [key], 1882–1946, Romanian marshal and dictator. He served in World War I and later became chief of staff, but he fell into disfavor with King Carol II because ...radical, in chemistry
(Encyclopedia)radical, in chemistry, group of atoms that are joined together in some particular spatial structure and that take part in most chemical reactions as a single unit. Important inorganic radicals include...inorganic chemistry
(Encyclopedia)inorganic chemistry, the study of all the elements and their compounds with the exception of carbon and its compounds, which fall under the category of organic chemistry. Inorganic chemistry investiga...Caragiale, Ion Luca
(Encyclopedia)Caragiale, Ion Luca yŏn lo͞oˈkä käräjäˈlĭ [key], 1853–1912, Romanian playwright and author. Romania's foremost dramatist, his works sharply satirized Romanian society. His masterpiece, A Lo...physical chemistry
(Encyclopedia)physical chemistry, branch of science that combines the principles and methods of physics and chemistry. It provides a fundamental theoretical and experimental basis for all of chemistry, including or...hydrogen-ion concentration
(Encyclopedia)hydrogen-ion concentration: see pH.Browse by Subject
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