Dictionary of automotive terms. 2015.
Abegg's rule — ä .begz , .beks n a rule in chemistry: for a given chemical element (as sulfur) the sum of the absolute value of its negative valence of maximum absolute value (as 2 for sulfur in H2S) and its positive valence of maximum value (as +6 for sulfur… … Medical dictionary
Abegg's rule — In chemistry, Abegg’s rule states that the difference between the maximum positive and negative valence of an element is frequently eight. In general, for a given chemical element (as sulfur) Abegg’s rule states that the sum of the absolute value … Wikipedia
abegg's rule — ˈäˌbegz , eks noun Usage: capitalized A Etymology: after Richard Abegg died 1910 German chemist : a rule in chemistry: the sum of the hydrogen valence and the maximum oxygen valence of a chemical element is often equal to 8 [as of silicon in SiH4 … Useful english dictionary
Abegg's rule of eight — A rule that the sum of the maximum positive and negative valencies of an element is eight, e.g., sulphur in SF6 and H2S … Dictionary of automotive terms
Abegg , Richard — (1869–1910) German physical chemist Abegg was born in the German port of Danzig (now Gdańsk in Poland); he studied chemistry at Kiel, Tübingen, and Berlin. He graduated in 1891 as a pupil of Wilhelm Hofmann. Initially an organic chemist, he was… … Scientists
Abegg — Richard, Danish chemist, 1869–1910. See A. rule … Medical dictionary
rule — A criterion, standard, or guide governing a procedure, arrangement, action, etc. SEE ALSO: law, principle, theorem. [O. Fr. reule, fr. L. regula, a guide, pattern] Abegg r. the tendency of the sum of the … Medical dictionary
Richard Abegg — Infobox Scientist name = Richard Abegg caption = Richard Wilhelm Heinrich Abegg (1869 1910) birth date = birth date|1869|1|9|mf=y birth place = Danzig, Germany residence = Germany nationality = German death date = death date and… … Wikipedia
Octet rule — The bonding in carbon dioxide (CO2): all atoms are surrounded by 8 electrons, fulfilling the octet rule. The octet rule is a chemical rule of thumb that states that atoms of low (<20) atomic number tend to combine in such a way that they each… … Wikipedia
Loi d'Abegg pour la valence et contre-valence — Loi d Abegg En chimie, la loi d Abegg indique que la différence entre le maximum positif de valence et le maximum négatif d un élément est fréquemment huit. En général, pour un élément donné (comme le soufre), la loi d Abegg indique que la somme… … Wikipédia en Français
