- valency group
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валентная оболочка
Англо-русский словарь терминов металлургии и сварки. 2011.
Англо-русский словарь терминов металлургии и сварки. 2011.
valency — /ˈveɪlənsi / (say vayluhnsee) noun (plural valencies) 1. the quality which determines the number of atoms or groups with which any single atom or group will unite chemically. 2. the relative combining capacity of an atom or group compared with… …
Group 2 organometallic chemistry — The group 2 elements are known to form organometallic compounds. .[1][2] Of these, organomagnesium compounds, usually in the form of Grignard reagents are widely used in organic chemistry, while the other organometallic compounds of this group… … Wikipedia
Noble gas — Group 18 Period 1 2 He 2 … Wikipedia
Valence (chemistry) — For other uses, see Valence (disambiguation). In chemistry, valence, also known as valency or valence number, is a measure of the number of bonds formed by an atom of a given element. Valence can be defined as the number of valence bonds[1] a… … Wikipedia
Periodic table — This article is about the periodic table of the elements . For other uses, see The Periodic Table. The periodic table of the chemical elements (also known as the periodic table or periodic table of the elements) is a tabular display of the 118… … Wikipedia
Atom — • Primarily, the smallest particle of matter which can exist Catholic Encyclopedia. Kevin Knight. 2006. Atom Atom † … Catholic encyclopedia
Davy Medal — Robert Bunsen and Gustav Kirchhoff, the first recipients of the award. They were awarded the medal for their researches discoveries in spectrum analysis . The Davy Medal is awarded by the Royal Society of London for an out … Wikipedia
Miskito grammar — This article provides a grammar sketch of the Miskito language, the language of the Miskito people of the Atlantic coast of Nicaragua and Honduras, a member of the Misumalpan language family. There also exists a brief typological overview of the… … Wikipedia
Pipil grammar — This article provides a grammar sketch of the Nawat or Pipil language, an endangered language spoken by the Pipils of western El Salvador, belonging to the Nahua group within the Uto Aztecan language family. There also exists a brief typological… … Wikipedia
reaction mechanism — Introduction in chemical reactions (chemical reaction), the detailed processes by which chemical substances are transformed into other substances. The reactions themselves may involve the interactions of atoms (atom), molecules (molecule),… … Universalium
The Madwoman of Chaillot — Lucia Sturdza Bulandra in The Madwoman of Chaillot by George Ştefănescu (1967) Written by Jean Giraudoux … Wikipedia