- electropositive atoms
- • електроположителен атом
English-Bulgarian polytechnical dictionary . 2013.
English-Bulgarian polytechnical dictionary . 2013.
electropositive — 1. Relating to or charged with positive electricity. 2. Referring to an element whose atoms tend to lose electrons; e.g., sodium, potassium, calcium. * * * elec·tro·pos·i·tive i .lek trō päz ət iv, päz tiv adj 1) charged with positive electricity … Medical dictionary
ceramic composition and properties — Introduction atomic and molecular nature of ceramic (industrial ceramics) materials (materials processing) and their resulting characteristics and performance in industrial applications. Industrial ceramics are commonly understood to… … Universalium
oxide — oxidic /ok sid ik/, adj. /ok suyd, sid/, n. Chem. a compound in which oxygen is bonded to one or more electropositive atoms. Also, oxid /ok sid/. [1780 90; < F (now oxyde), b. oxygène and acide. See OXYGEN, ACID] * * * I Any of a large and… … Universalium
Polyhedral skeletal electron pair theory — In chemistry the polyhedral skeletal electron pair theory provides electron counting rules useful for predicting the structures of clusters such as borane and carborane clusters. The electron counting rules were originally formulated by Kenneth… … Wikipedia
Organic base — Acids and Bases Acid dissociation constant Acid base extraction Acid–base reaction Acid–base titration Dissociation constant Acidity function Buffer sol … Wikipedia
oxide — ox•ide [[t]ˈɒk saɪd, sɪd[/t]] also ox•id [[t]ˈɒk sɪd[/t]] n. chem. a compound in which oxygen is bonded to one or more electropositive atoms • Etymology: 1780–90; < F (now oxyde), b. oxygène and acide ox•id′ic ˈsɪd ɪk adj … From formal English to slang
organometallic compound — ▪ chemical compound Introduction any member of a class of substances containing at least one metal to carbon bond in which the carbon is part of an organic group. Organometallic compounds constitute a very large group of substances that have… … 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
Electronegativity — This electrostatic potential map shows how the oxygen atom has a more negative charge than the hydrogen atoms. Electronegativity, symbol χ (the Greek letter chi), is a chemical property that describes the tendency of an atom or a functional group … Wikipedia
Acid — This article is about acids in chemistry. For the drug, see Lysergic acid diethylamide. For other uses, see Acid (disambiguation). Acidity redirects here. For the novelette, see Acidity (Novelette). Acids and Bases … Wikipedia
Metalloid — 13 14 15 16 17 2 B Boron … Wikipedia