potassium

Potassium — (pronEng|pəˈtæsiəm) is a chemical element. It has the symbol K ( la. kalium, from ar. qalīy), atomic number 19, and atomic mass 39.0983. The name potassium comes from the word potash , as potassium was first isolated from potash. Potassium is a… …   Wikipedia

POTASSIUM — Le potassium, troisième élément de ce groupe, possède les propriétés caractéristiques des métaux alcalins. Il a été découvert en 1807 par Humphry Davy lors de la réduction électrolytique de la potasse caustique fondue (KOH). Son symbole chimique… …   Encyclopédie Universelle

Potassium — Argon ← Potassium → Calcium Na …   Wikipédia en Français

potassium — 1> хим. калий Ex: potassium bichromate хромпик; бихромат калия Ex: potassium bromide бромистый калий Ex: potassium carbonate поташ, углекислый калий Ex: potassium chlorate бертолетова соль, хлорноватокислый калий Ex: potassium cyanide цианистый… …   Новый большой англо-русский словарь

Potassium — Po*tas si*um, n. [NL. See {Potassa}, {Potash}.] (Chem.) An Alkali element, occurring abundantly but always combined, as in the chloride, sulphate, carbonate, or silicate, in the minerals sylvite, kainite, orthoclase, muscovite, etc. Atomic weight …   The Collaborative International Dictionary of English

potassium — noun; chem. 1) калий 2) attr. калийный …   Англо-русский словарь Мюллера

potassium — n калий Англо русский строительный словарь. М.: Русский Язык. С.Н.Корчемкина, С.К.Кашкина, С.В.Курбатова. 1995 …   Англо-русский словарь строительных терминов

potassium — /peuh tas ee euhm/, n. Chem. a silvery white metallic element that oxidizes rapidly in the air and whose compounds are used as fertilizer and in special hard glasses. Symbol: K; at. wt.: 39.102; at. no.: 19; sp. gr.: 0.86 at 20°C. [1800 10; < NL; …   Universalium

Potassium — The major positive ion (cation) found inside of cells. The chemical notation for potassium is K+. The proper level of potassium is essential for normal cell function. An abnormal increase of potassium (hyperkalemia) or decrease of potassium… …   Medical dictionary

Potassium — Eigenschaften …   Deutsch Wikipedia