- cations
- n. ion with a positive charge
English contemporary dictionary. 2014.
cations
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Cations — Cation Un cation (du grec cata : « en bas » et iôn : « qui va ») est un ion qui, ayant cédé un ou plusieurs électron(s), porte une ou plusieurs charge(s) électrique(s) positive(s) : à l’inverse d’un anion il… … Wikipédia en Français
cations — Ion I on ([imac] [o^]n), n. [Gr. io n, neut, of iw n, p. pr. of ie nai to go.] 1. (Elec. Chem.) an atom or goup of atoms (radical) carrying an electrical charge. It is contrasted with neutral atoms or molecules, and free radicals. Certain… … The Collaborative International Dictionary of English
Common ions that form multiple cations — ▪ Table Common ions that form multiple cations ion systematic name alternate name Fe3 b; iron(III) ferric Fe2 b; iron(II) ferrous Cu2 b; copper(II) cupric Cu b; copper(I) cuprous Co3 b; cobalt(III) cobaltic Co2 b; cobalt(II) cobaltous Sn4 b;… … Universalium
Common simple cations and anions — ▪ Table Common simple cations and anions cation name anion name H b; hydrogen H− hydride Li b; lithium F− fluoride Na b; sodium Cl− chloride K b; potassium Br− bromide Cs b; cesium I− iodide Be2 b; beryllium O2− oxide Mg2 b; magnesium S2− sulfide … Universalium
Qualitative inorganic analysis — Classical qualitative inorganic analysis is a method of analytical chemistry which seeks to find elemental composition of inorganic compounds. It is mainly focused on detecting ions in an aqueous solution, so that materials in other forms may… … 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
clay mineral — any of a group of hydrous aluminum silicate minerals, as kaolinite, illite, and montmorillonite, that constitute the major portion of most clays. [1945 50] * * * Any of a group of important hydrous aluminum silicates with a layered structure and… … Universalium
SILICATES — Les silicates et les différentes formes de silice qui s’y rattachent ont une importante industrielle et géochimique considérable. Ces minéraux, matières premières des industries du bâtiment, de la verrerie, de la céramique, et constituants des… … Encyclopédie Universelle
Oxide minerals — Oxide mineral exhibit at the Museum of Geology in South Dakota The oxide mineral class includes those minerals in which the oxide anion (O2 ) is bonded to one or more metal ions. The hydroxide bearing minerals are typically included in the oxide… … Wikipedia
Analyse Qualitative Non-organique — L’analyse qualitative inorganique classique est une méthode d’analyse chimique par voie humide et non instrumentale qui recherche la composition élémentaire de composés inorganiques. Avec le développement de l analyse instrumentale, l analyse… … Wikipédia en Français
