and so on. Compounds of an onium cation and some other anion are known as onium compounds or onium salts. Onium ions and onium compounds are inversely analogous...

An onium (plural: onia) is a bound state of a particle and its antiparticle. These states are usually named by adding the suffix -onium to the name of...

quantum chromodynamics. An onium (plural: onia) is the bound state of a particle and its antiparticle. The classic onium is positronium, which consists...

industrial applications. Other less common onium salts include ammonium and phosphonium salts. A typical onium compound used as a photoinitiator contains...

the appropriate length and with two methonium, heads have small trimethyl onium heads and flexible links. They all exhibit a depolarizing block. Aminosteroids...

afford methyl halides: ROCH3 + HBr → CH3Br + ROH These reactions proceed via onium intermediates, i.e. [RO(H)CH3]+Br−. Some ethers undergo rapid cleavage with...

hydrogen atom, such as a quaternary ammonium or phosphonium cation (generally: onium ions), and with a negatively charged functional group, such as a carboxylate...

alkylating agent and a quaternary ammonium salt. Chlormequat is one of the onium-type growth regulators. Chlormequat was discovered in the 1950s, and was...

structure on the right) with the strong Coulombic attraction between the "onium" atom and the adjacent carbon accounting for the reduced bond length. Consequently...

primary use as a denaturant and its chemical nature as a cation, hence -onium as a Neo-Latin suffix. Denatonium is a quaternary ammonium cation. It is...

polyatomic ions encountered in practice is very large. Monatomic ion Protonation Onium ion Petrucci, Ralph H.; Herring, F. Geoffrey; Madura, Jeffry D.; Bissonnette...

carbonium ions called non-classical ions are found in certain norbornyl systems Onium compounds Carbenium ion George Andrew Olah (1972). "Stable carbocations...

C8H8N+, and forms chemical compounds in combination with anions. It is an onium ion derived from its parent compound, indole, by the addition of a proton...

14–18 in their higher oxidation states. Ate complexes are a counterpart to onium ions. Lewis acids form ate ions when the central atom reacts with a donor...

The nitronium ion, [NO2]+, is a cation. It is an onium ion because its nitrogen atom has +1 charge, similar to ammonium ion [NH4]+. It is created by the...

Black, BUS/Gus Till, Vlastur, Deep Fried Dub, The Egg, Jef Stott/Aslan Dub, Onium, Living Light, Sadhu Sensi, DM-Theory and Uncle Fester On Acid. In 2018...

anti-particle, a positron, bound together into an exotic atom, specifically an onium. Unlike hydrogen, the system has no protons. The system is unstable: the...

and acetate. Acylium ion, a type of oxonium ion with the structure R–C≡O+ Onium ion, a +1 cation derived by protonation of a hydride (includes oxonium ions)...

In particle physics, quarkonium (from quark and -onium, pl. quarkonia) is a flavorless meson whose constituents are a heavy quark and its own antiquark...

not exist as a pure metal but does as an amalgam (alloy with mercury). Onium compounds Fluoronium, ([H2F]+ and substituted derivatives) Oxonium ([R3O]+...

compound Onium ion Quaternary phase IUPAC, Compendium of Chemical Terminology, 2nd ed. (the "Gold Book") (1997). Online corrected version: (2006–) "Onium compounds"...

corresponding antiparticle, it is an example of a type of exotic atom called an onium. Protonium has a mean lifetime of approximately 1.0 μs and a binding energy...

are known as mustards.[citation needed] Such compounds can form cyclic "onium" ions (sulfonium, ammonium, etc.) that are good alkylating agents. Other...

"Onium Ylide chemistry. 1. Bifunctional acid-base-catalyzed conversion of heterosubstituted methanes into ethylene and derived hydrocarbons. The onium...

A halonium ion is any onium ion containing a halogen atom carrying a positive charge. This cation has the general structure R−+X−R′ where X is any halogen...

in this case "muium". Replacing "-on" with (or otherwise appending) "-onium" is mostly used for bound states of a particle with its own antiparticle...

an antitau and an electron: τ+ e− , called tauonium. Another one is an onium atom τ+ τ− called ditauonium or true tauonium, which is challenging to detect...

Fernando; Bofill, Josep M.; El-Faham, Ayman; Kates, Steven A. (1998). "Use of Onium Salt-Based Coupling Reagents in Peptide Synthesis1". The Journal of Organic...

in 1964. The name was derived from p(iperidino)an(drostane)cur(arising)-onium. A paper published in 1973 discussed the structure-activity relationships...

featurettes—Dying to Know: Bones Answers Your Questions! and Bare Bones: Total Fandom-onium. "FOX Announces Fall Premiere Dates for the 2012-2013 Season" (Press release)...