alkali(ne) metal


alkali(ne) metal
металл m щелочной

Metallurgy dictionary. 2015.

Смотреть что такое "alkali(ne) metal" в других словарях:

  • alkali-earth metal alloys — Смотри сплавы щелочноземельных металлов …   Энциклопедический словарь по металлургии

  • 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

  • Metal amides — are a class of coordination compounds composed of a metal center with amide ligands of the form NR2. Amide ligands have two electron pairs available for bonding. In principle, they can be terminal or bridging. In these two examples, the… …   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 Silica Reaction — (ASR) is a reaction between reactive silica (in the concrete aggregates) and an alkali (usually present in the cement), which results in the formation of a gel. This gel increases in volume with water and exerts expansive pressure on the concrete …   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

  • Metal dithiolene complex — Metal dithiolene complexes are complexes containing dithiolene ligands. Dithiolene ligands are unsaturated bidentate ligand wherein the two donor atoms are sulfur. Dithiolenes are often referred to as metallodithiolenes or dithiolene complexes… …   Wikipedia

  • Metal — Met al (? or ?; 277), n. [F. m[ e]tal, L. metallum metal, mine, Gr. ? mine; cf. Gr. ? to search after. Cf. {Mettle}, {Medal}.] 1. (Chem.) An elementary substance, as sodium, calcium, or copper, whose oxide or hydroxide has basic rather than acid… …   The Collaborative International Dictionary of English

  • alkali metal — n any of the univalent mostly basic metals of group I of the periodic table comprising lithium, sodium, potassium, rubidium, cesium, and francium * * * one of a group of monovalent metals including lithium, sodium, potassium, rubidium, and cesium …   Medical dictionary

  • 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

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