Boron trifluoride is most readily obtained

См. также в других словарях:

• Boron trifluoride — Chembox new Name = Boron trifluoride ImageFileL1 = Boron trifluoride 2D.png ImageNameL1 = Boron trifluoride in 2D ImageFileR1 = Boron trifluoride 3D vdW.png ImageNameR1 = Boron trifluoride in 3D Section1 = Chembox Identifiers CASNo = 7637 07 2… …   Wikipedia

• 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

• radiation measurement — ▪ technology Introduction       technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement.       The term ionizing radiation refers to those… …   Universalium

• acid–base reaction — ▪ chemistry Introduction       a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… …   Universalium

• chemical bonding — ▪ chemistry Introduction       any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another …   Universalium

• coordination compound — Chem. complex (def. 10). Also called coordination complex. * * * ▪ chemistry Introduction  any of a class of substances with chemical structures in which a central metal atom is surrounded by nonmetal atoms or groups of atoms, called ligands… …   Universalium

• fluorine — /floor een, in, flawr , flohr /, n. Chem. the most reactive nonmetallic element, a pale yellow, corrosive, toxic gas that occurs combined, esp. in fluorite, cryolite, phosphate rock, and other minerals. Symbol: F; at. wt.: 18.9984; at. no.: 9.… …   Universalium

• Aldol reaction — The aldol reaction is a powerful means of forming carbon–carbon bonds in organic chemistry.[1][2][3] Discovered independently by …   Wikipedia

• Ethylene oxide — Oxirane redirects here. For oxiranes as a class of molecules, see epoxide. Ethylene oxide …   Wikipedia

• chemical industry — Introduction       complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives.       Although the chemical industry may be described simply as the industry that uses chemistry and… …   Universalium

• 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