Selenonium
Selenonium Sel`e*no"ni*um, n. [Selenium + sulphonium.] (Chem.) A hypothetical radical of selenium, analogous to sulphonium. [R.] [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • selenonium — noun the univalent HSe cation, derived from selane …   Wiktionary

  • selenonium — sel·e·no·ni·um …   English syllables

  • selenonium — ˌseləˈnōnēəm noun ( s) Etymology: New Latin, from selen (II) + onium : a univalent cation SeH3+ or radical SeH3 analogous to sulfonium with selenium in place of sulfur …   Useful english dictionary

  • organosulfur compound — ▪ chemical compound Introduction also spelled  organosulphur compound , also called  organic sulfur compound   a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… …   Universalium

  • Organoselenium chemistry — Organoselenium compounds are chemical compounds containing carbon to selenium chemical bonds. Organoselenium chemistry is the corresponding science exploring their properties and reactivity.[1][2][3][4] Selenium belongs with oxygen and sulfur to… …   Wikipedia

  • 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

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