Chemijos terminų aiškinamasis žodynas – 2-asis patais. ir papild. leid. – Vilnius: Mokslo ir enciklopedijų leidybos institutas. Kazys Daukšas, Jurgis Barkauskas, Vitas Daukšas. 2003.
pusiau metališkieji junginiai — statusas T sritis chemija apibrėžtis B pogrupio metalų dvinariai junginiai su amfoteriniais elementais. atitikmenys: angl. semimetallic compounds rus. полуметаллические соединения … Chemijos terminų aiškinamasis žodynas
полуметаллические соединения — pusiau metališkieji junginiai statusas T sritis chemija apibrėžtis B pogrupio metalų dvinariai junginiai su amfoteriniais elementais. atitikmenys: angl. semimetallic compounds rus. полуметаллические соединения … Chemijos terminų aiškinamasis žodynas
Metalloid — 13 14 15 16 17 2 B Boron … Wikipedia
carbide — /kahr buyd, bid/, n. 1. a compound of carbon with a more electropositive element or group. 2. See calcium carbide. 3. a very hard mixture of sintered carbides of various heavy metals, esp. tungsten carbide, used for cutting edges and dies. [1860… … Universalium
boron — boronic /boh ron ik, baw , beuh /, adj. /bawr on, bohr /, n. Chem. a nonmetallic element occurring naturally only in combination, as in borax or boric acid, and obtained in either an amorphous or a crystalline form when reduced from its compounds … Universalium
arsenic — n. /ahr seuh nik, ahrs nik/; adj. /ahr sen ik/, n. 1. a grayish white element having a metallic luster, vaporizing when heated, and forming poisonous compounds. Symbol: As; at. wt.: 74.92; at. no.: 33. 2. See arsenic trioxide. 3. a mineral, the… … Universalium
selenium — /si lee nee euhm/, n. Chem. a nonmetallic element chemically resembling sulfur and tellurium, occurring in several allotropic forms, as crystalline and amorphous, and having an electrical resistance that varies under the influence of light.… … Universalium
silicon — /sil i keuhn, kon /, n. Chem. a nonmetallic element, having amorphous and crystalline forms, occurring in a combined state in minerals and rocks and constituting more than one fourth of the earth s crust: used in steelmaking, alloys, etc. Symbol … Universalium
antimony — antimonial, adj., n. /an teuh moh nee/, n. Chem. a brittle, lustrous, white metallic element occurring in nature free or combined, used chiefly in alloys and in compounds in medicine. Symbol: Sb; at. no.: 51; at. wt.: 121.75. [1375 1425; late ME… … Universalium
catalyst — /kat l ist/, n. 1. Chem. a substance that causes or accelerates a chemical reaction without itself being affected. 2. something that causes activity between two or more persons or forces without itself being affected. 3. a person or thing that… … Universalium
