alkali metal

alkali metal
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 Supplement

English World dictionary. . 2014.

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  • 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 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 — 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 metal — Group → 1 ↓ Period 2 3 Li 3 …   Wikipedia

  • alkali metal — UK / US noun [countable] Word forms alkali metal : singular alkali metal plural alkali metals chemistry a soft, white metal that is a chemical element. Lithium, sodium, and potassium are alkali metals …   English dictionary

  • alkali metal — šarminis metalas statusas T sritis fizika atitikmenys: angl. alkali metal vok. Alkalimetall, n rus. щелочной металл, m pranc. métal alcalin, m …   Fizikos terminų žodynas

  • Alkali-metal thermal to electric converter — The Alkali Metal Thermoelectric Converter (AMTEC) is a thermally regenerative electrochemical device for the direct conversion of heat to electrical energy. It is characterized by high potential efficiencies and no moving parts, which make it a… …   Wikipedia

  • alkali metal — noun any of the monovalent metals of group I of the periodic table (lithium or sodium or potassium or rubidium or cesium or francium) the hydroxides of the alkali metals are strongly alkaline • Syn: ↑alkaline metal • Hypernyms: ↑metallic element …   Useful english dictionary

  • alkali metal — noun Any of the soft, light, reactive metals of Group 1 of the periodic table; lithium, sodium, potassium, rubidium, cesium, and francium. See Also: alkaline earth metal …   Wiktionary

  • alkali metal — a metal in group IA of the periodic table that form strongly alkaline hydroxides (lithium, sodium, potassium, rubidium, cesium, francium) …   Mechanics glossary

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