basic beryllium fluoride

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• Beryllium fluoride — chembox new ImageFile = Beryllium fluoride 3D vdW.png ImageSize = 200px ImageName = beryllium fluoride in gas phase IUPACName = Berylium fluoride OtherNames = Section1 = Chembox Identifiers Abbreviations = CASNo = 7787 49 7 EINECS = PubChem =… …   Wikipedia

• beryllium — /beuh ril ee euhm/, n. Chem. a steel gray, bivalent, hard, light, metallic element, the salts of which are sweet: used chiefly in copper alloys for better fatigue endurance, in springs, and in electrical contacts. Symbol: Be; at. wt.: 9.0122; at …   Universalium

• Lithium fluoride — Chembox new Name = Lithium fluoride ImageFile1 = LiF crystal.jPeG ImageSize1 = 120px ImageName1 = Lithium fluoride boule ImageFile2 = Lithium fluoride 3D ionic.png ImageSize2 = 120px ImageName2 = Lithium fluoride IUPACName = Lithium fluoride… …   Wikipedia

• Dictionary of chemical formulas — This is a list of chemical compounds with chemical formulas and CAS numbers, indexed by formula. This complements alternative listings to be found at list of inorganic compounds, list of organic compounds and inorganic compounds by element. Table …   Wikipedia

• environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

• Hydroxide — Lewis structure of the hydroxide ion showing three lone pairs on the oxygen atom …   Wikipedia

• rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …   Universalium

• Actinide — The atomic bomb dropped on Nagasaki had a plutonium charge.[1] The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium thro …   Wikipedia

• Nuclear weapon design — The first nuclear weapons, though large, cumbersome and inefficient, provided the basic design building blocks of all future weapons. Here the Gadget device is prepared for the first nuclear test: Trinity. Nuclear weapon designs are physical,… …   Wikipedia

• Protactinium — thorium ← protactinium → uranium Pr ↑ Pa ↓ …   Wikipedia

• Metalloid —   13 14 15 16 17   2  B Boron …   Wikipedia