coordination compound — Chem. complex (def. 10). Also called coordination complex. * * * ▪ chemistry Introduction any of a class of substances with chemical structures in which a central metal atom is surrounded by nonmetal atoms or groups of atoms, called ligands… … Universalium
Hydrate — is a term used in inorganic chemistry and organic chemistry to indicate that a substance contains water. The chemical state of the water varies widely between hydrates, some of which were so labeled before their chemical structure was understood … Wikipedia
Keggin structure — is the best known structural form for heteropoly acids. It is the structural form of α–Keggin anions, which have a general formula of [XM12O40] n , where X is the heteroatom (most commonly are P5+, Si4+, or B3+), M is the addenda atom (most… … Wikipedia
clay mineral — any of a group of hydrous aluminum silicate minerals, as kaolinite, illite, and montmorillonite, that constitute the major portion of most clays. [1945 50] * * * Any of a group of important hydrous aluminum silicates with a layered structure and… … Universalium
water — waterer, n. waterless, adj. waterlessly, adv. waterlessness, n. waterlike, adj. /waw teuhr, wot euhr/, n. 1. a transparent, odorless, tasteless liquid, a compound of hydrogen and oxygen, H2O, freezing at 32°F or 0°C and boiling at 212°F or 100°C … Universalium
boron group element — ▪ chemical elements Introduction any of the five chemical elements constituting Group 13 (IIIa) of the periodic (periodic law) table (see Figure >). The elements are boron (B), aluminum (Al), gallium (Ga), indium (In), an … Universalium
oxyacid — /ok see as id/, n. Chem. an inorganic acid containing oxygen. Also called oxygen acid. [1830 40; OXY 2 + ACID] * * * ▪ chemical compound Introduction any oxygen containing acid. Most covalent nonmetallic oxides (oxide) react with water to… … Universalium
Aluminium chloride — Aluminium chloride … Wikipedia
protein — proteinaceous /proh tee nay sheuhs, tee i nay /, proteinic, proteinous, adj. /proh teen, tee in/, n. 1. Biochem. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the… … Universalium
Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high … Wikipedia
