Onium-Ion
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Onium compounds — are cations derived by the protonation of mononuclear parent hydrides of elements of the nitrogen group (Group 15), chalcogens (Group 16), or halogens (Group 17), and similar cations derived by the substitution of hydrogen atoms in the former by… … Wikipedia
Ion oxonium — Un ion oxonium est un cation portant une charge positive localisée sur un atome d oxygène trivalent. D après les recommandations de l IUPAC les ions oxonium sont l ion de formule chimique H3O+ et ses dérivés substitués. L ion H3O+ est aussi connu … Wikipédia en Français
Ion — Pour les articles homonymes, voir Ion (homonymie). Un ion est une espèce chimique électriquement chargée. La valeur de la charge électrique est indiquée en exposant à la fin de la formule chimique de l ion, en multiple de la charge électrique… … Wikipédia en Français
onium — oni·um ō nē əm adj being or characterized by a usu. complex cation <onium salts> * * * oni·um (oґne əm) a term applied to a cation in which nitrogen has its maximum covalency, as in the ammonium ion NH4+. The compounds include betaines … Medical dictionary
-onium — noun suffix Etymology: New Latin, from ammonium an ion having a positive charge < hydronium > compare ium 1b … New Collegiate Dictionary
-onium — noun suffix ( s) Etymology: International Scientific Vocabulary, from New Latin ammonium : an ion having a positive charge in names of complex cations containing hydrogen or one or more organic radicals coordinated to a central atom oxonium … Useful english dictionary
Lyonium-Ion — Ly|o|ni|um Ion [↑ Lyo u. ↑ Onium Ion] durch Protonierung eines Lsgm. Moleküls entstandenes Kation, z. B. H3COH+2 (Methyloxonium Ion) … Universal-Lexikon
phosphonium ion — /fɒsˈfoʊniəm ˌaɪən/ (say fos fohneeuhm .uyuhn) noun the group PH4+, containing positively charged tetravalent phosphorus, analogous to ammonium (NH4+). {phosph(orous) + (amm)onium ion} …
Oxonium ion — The oxonium ion in chemistry is any oxygen cation with three bonds. [1] The simplest oxonium ion is the hydronium ion H3O+. Another oxonium ion frequently encountered in organic chemistry is obtained by protonation or alkylation of a carbonyl… … Wikipedia
Halonium ion — A ball and stick model of the bromonium ion formed from cyclopentene A halonium ion in organic chemistry is any onium compound (ion) containing a halogen atom carrying a positive charge. This cation has the general structure R X+ R where X is any … Wikipedia
