- ALKALI COMPOUNDS
- مركبات قلوية
English-Arabic construction engineering dictionary. 2015.
ALKALI COMPOUNDS
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Compounds of zinc — are chemical compounds containing the element zinc which is a member of the group 12 of the periodic table. The oxidation state of most compounds is the group oxidation state of +2. Zinc may be classified as a post transition main group element… … 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 metal — Group → 1 ↓ Period 2 3 Li 3 … Wikipedia
Compounds of oxygen — Water (H2O) is the most familiar oxygen compound The oxidation state f oxygen is −2 in almost all known compounds of oxygen. The oxidation state −1 is found in a few compounds such as peroxides. Compounds containing oxygen in other oxidation… … 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 — /al keuh luy /, n., pl. alkalis, alkalies, adj. n. 1. Chem. a. any of various bases, the hydroxides of the alkali metals and of ammonium, that neutralize acids to form salts and turn red litmus paper blue. b. any of various other more or less… … Universalium
Alkali halide — The alkali halides are the family of ionic compounds with simple chemical formula X+Y or XY, where X is an alkali metal and Y is a halogen. One of the most well known of these is sodium chloride or common table salt.In standard room conditions… … Wikipedia
alkali — 1. A strongly basic substance yielding hydroxide ions (OH− in solution); e.g., sodium hydroxide, potassium hydroxide. 2. SYN: base (3). 3. SYN: a. metal. [Ar., al, the, + qaliy, soda ash] caustic a … Medical dictionary
alkali — /ˈælkəlaɪ / (say alkuhluy) noun (plural alkalis or alkalies) 1. Chemistry a. any of various bases, the hydroxides of the alkali metals and of ammonium, which neutralise acids to form salts and turn red litmus paper blue. b. any of various other… …
Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal … Wikipedia
Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr … Wikipedia
