- alkali elements
- • алкален елемент
English-Bulgarian polytechnical dictionary . 2013.
alkali elements
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Alkali feldspar — The alkali feldspar group are those feldspar minerals rich in the alkali elements potassium and sodium. The alkali feldspars include: albite, anorthoclase, microcline, orthoclase and sanidine. [http://www.mindat.org/min 118.html Mindat]… … Wikipedia
Alkali soils — Alkali, or alkaline, soils are clay soils with a relatively high exchangeable sodium percentage, a relative high pH (> 9), a poor soil structure and a low infiltration capacity. Often they have a hard calcareous layer at 0.5 to 1 m. depth (in… … Wikipedia
Alkali metal — Any one of the univalent metals of group I of the periodic table of the elements, including lithium, sodium, potassium, rubidium, cesium, and francium. The hydroxides of these metals are soluble in water and form strongly basic solutions. [PJC.] … The Collaborative International Dictionary of English
alkali metal — n. Chem. any of the six highly reactive metals in group IA of the periodic table including, in increasing order of reactivity, lithium, sodium, potassium, rubidium, cesium, and francium: see the periodic table of elements in the Reference… … English World dictionary
Alkali metal — Group → 1 ↓ Period 2 3 Li 3 … Wikipedia
alkali metal — Chem. any of the group of univalent metals including potassium, sodium, lithium, rubidium, cesium, and francium, whose hydroxides are alkalis. [1880 85] * * * Any of the six chemical elements in the leftmost group of the periodic table (lithium,… … Universalium
Alkali-Mangan-Batterie — Die Alkali Mangan Batterie beziehungsweise Alkali Mangan Zelle (manchmal auch genauer als Zink Manganoxid Zelle bezeichnet) ist ein galvanisches Element und zählt zu den wichtigsten elektrochemischen Energiespeichern. Aufgrund höherer Kapazität,… … Deutsch Wikipedia
Alkali-Mangan-Zelle — Die Alkali Mangan Batterie beziehungsweise Alkali Mangan Zelle ist ein galvanisches Element und zählt zu den wichtigsten elektrochemischen Energiespeichern. Aufgrund höherer Kapazität, besserer Belastbarkeit und längerer Lagerfähigkeit hat sie… … Deutsch Wikipedia
Alkali — In chemistry, an alkali (from Arabic: Al Qaly القلي, القالي ) is a basic, ionic salt of an alkali metal or alkaline earth metal element. Alkalis are best known for being bases (compounds with pH greater than 7) that dissolve in water. The… … Wikipedia
alkali metals — šarminiai metalai statusas T sritis chemija apibrėžtis Li, Na, K, Rb, Cs, Fr. atitikmenys: angl. alkali metals; alkaline elements; alkaline metals rus. щелочные металлы … Chemijos terminų aiškinamasis žodynas
Collective names of groups of like elements — is the term used by IUPAC to describe nomenclature for categorization of chemical elements.[1] The following names are approved by IUPAC: Alkali metals The metals of group 1: Li, Na, K, Rb, Cs, Fr. Alkaline earth metals The metals of group 2: Be … Wikipedia
