- covalent hydrides
- • ковалентен хидрид
English-Bulgarian polytechnical dictionary . 2013.
covalent hydrides
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Borderline hydrides — refer to hydrides formed of hydrogen and elements of the periodic table in I B and II B and Indium (In) and Thallium (Tl). These compounds have properties intermediate between covalent hydrides and metallic hydrides. Hydrides are chemical… … Wikipedia
Hydride — In chemistry, a hydride is the anion of hydrogen, H−, or, more commonly, a compound in which one or more hydrogen centres have nucleophilic, reducing, or basic properties. In compounds that are regarded as hydrides, hydrogen is bonded to a more… … Wikipedia
hydride — /huy druyd, drid/, n. a binary compound formed by hydrogen and another, usually more electropositive, element or group, as sodium hydride, NaH, or methyl hydride, CH4. [1840 50; HYDR 2 + IDE] * * * Inorganic compound of hydrogen with another… … Universalium
Metalloid — 13 14 15 16 17 2 B Boron … Wikipedia
chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements … Universalium
Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium … Wikipedia
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
Diborane — IUPAC na … Wikipedia
Complex metal hydride — Complex metal hydrides are salts wherein the anions contain hydrides. In the older chemical literature as well as contemporary materials science textbooks, a metal hydride is assumed to be nonmolecular, i.e. three dimensional lattices of atomic… … Wikipedia
borane — /bawr ayn, bohr /, n. Chem. any of the compounds, both neutral and anionic, of boron and hydrogen with formulas ranging from B2H6 to B20H16. Also called boron hydride. [ < G Boran (1916); see BORON, ANE] * * * ▪ chemical compound Introduction… … Universalium
Lipscomb , William Nunn — (1919–) American inorganic chemist Born in Cleveland, Ohio, Lipscomb was educated at the University of Kentucky (graduating in 1942) and the California Institute of Technology where he obtained his PhD in 1946. He worked at the University of… … Scientists
