valent state
121Decoration of Honour for Services to the Republic of Austria — Grand Star of the Decoration Awarded by …
122Metal dithiolene complex — Metal dithiolene complexes are complexes containing dithiolene ligands. Dithiolene ligands are unsaturated bidentate ligand wherein the two donor atoms are sulfur. Dithiolenes are often referred to as metallodithiolenes or dithiolene complexes… …
123Nickel tetracarbonyl — Nickel tetracarbonyl …
124chemical science — noun the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions • Syn: ↑chemistry • Derivationally related forms: ↑chemic (for: ↑chemistry), ↑chemist (for: ↑ …
125АМВРОСИЙ — Аврелий [лат. Aurelius Ambrosius] (ок. 339, Августа Треверов, совр. Трир 4.04.397, Медиолан, совр. Милан), свт. (пам. 7 дек.), еп. Медиоланский (с 7.12. 373), один из великих зап. отцов Церкви. Житие Источником сведений о жизни А. являются прежде …
126April 20 — Events*1303 The University of Rome La Sapienza is instituted by Pope Boniface VIII. *1534 Jacques Cartier begins his voyage, in which he will discover Canada and Labrador. *1653 Oliver Cromwell dissolves the Rump Parliament. *1657 Admiral Robert… …
127Covalent bond — Covalent redirects here. For other uses, see Covalent (disambiguation). A covalent bond forming H2 (right) where two h …
128Electron counting — is a formalism used for classifying compounds and for explaining or predicting electronic structure and bonding. Many rules in chemistry rely on electron counting:*Octet rule for main group elements, especially the lighter ones such as carbon,… …
