covalent crystal

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• covalent crystal — kovalentinis kristalas statusas T sritis fizika atitikmenys: angl. covalent crystal vok. Valenzkristall, m rus. ковалентный кристалл, m pranc. cristal covalent, m …   Fizikos terminų žodynas

• covalent crystal — kovalentinis kristalas statusas T sritis chemija apibrėžtis Kristalas, kurio dauguma mazguose esančių atomų sujungti kovalentiniais ryšiais. atitikmenys: angl. covalent crystal; valence crystal rus. ковалентный кристалл …   Chemijos terminų aiškinamasis žodynas

• Crystal violet lactone — (CVL) is a leuco dye, a lactone derivate of crystal violet 10B. In pure state it is a slightly yellowish crystalline powder, soluble in nonpolar or slightly polar organic solvents. The central carbon in the leuco form is in a tetraedric… …   Wikipedia

• crystal — crystallike, adj. /kris tl/, n., adj., v., crystaled, crystaling or (esp. Brit.) crystalled, crystalling. n. 1. a clear, transparent mineral or glass resembling ice. 2. the transparent form of crystallized quartz. 3. Chem., Mineral. a solid body… …   Universalium

• Crystal — /kris tl/, n. 1. a city in SE Minnesota, near Minneapolis. 25,543. 2. a female given name. * * * I Any solid material whose atoms are arranged in a definite pattern and whose surface regularity reflects its internal symmetry. Each of a crystal s… …   Universalium

• Crystal structure of boron-rich metal borides — Two single crystals of YB66 (1 cm diameter) grown by floating zone technique using (100) oriented seeds. In the top crystal, the seed (left from the black line) has same diameter as the crystal. In the bottom crystal (sliced), the seed is much… …   Wikipedia

• Covalent organic framework — The design and synthesis of crystalline extended organic structures in which the building blocks are linked by strong covalent bonds are core concepts of covalent organic frameworks (COFs). COFs are porous, and crystalline, and made entirely from …   Wikipedia

• Crystal engineering — An example of crystal engineering using hydrogen bonding reported by Wuest and coworkers in J. Am. Chem. Soc., 2007, 4306–4322. Crystal engineering is the design and synthesis of molecular solid state structures with desired properties, based on… …   Wikipedia

• Covalent radius — Types of radii Atomic radius Ionic radius Covalent radius Metallic radius Van der Waals radius edit The covalent radius, rcov, is a measure of the size of an atom that forms part of one covalent bond. It is usually measured either in …   Wikipedia

• Covalent radius of fluorine — The covalent radius of fluorine is a measure of the size of a fluorine atom; it is approximated at about 60 picometres. Since fluorine is a relatively small atom with a large electronegativity, its covalent radius is difficult to evaluate. The… …   Wikipedia

• cristal covalent — kovalentinis kristalas statusas T sritis fizika atitikmenys: angl. covalent crystal vok. Valenzkristall, m rus. ковалентный кристалл, m pranc. cristal covalent, m …   Fizikos terminų žodynas