anionic group

См. также в других словарях:

• anionic — adj. 1 of an anion or anions. 2 having an active anion. * * * I noun a class of synthetic detergents in which the molecules do not ionize in aqueous solutions (Freq. 7) • Syn: ↑anionic detergent, ↑non ionic detergent • Hypernyms: ↑detergent …   Useful english dictionary

• oxygen group element — ▪ chemical element Introduction also called  chalcogen,    any of the five chemical elements making up Group 16 (VIa) of the periodic classification namely, oxygen, sulfur, selenium, tellurium, and polonium. (See Figure >.) A relationship among… …   Universalium

• 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

• SN2 reaction — The SN2 reaction (also known as bimolecular nucleophilic substitution) is a type of nucleophilic substitution, where a lone pair from a nucleophile attacks an electron deficient electrophilic center and bonds to it, expelling another group called …   Wikipedia

• anion — anionic /an uy on ik/, adj. anionically, adv. /an uy euhn/, n. Physical Chem. 1. a negatively charged ion, as one attracted to the anode in electrolysis. 2. any negatively charged atom or group of atoms (opposed to cation). [1825 35; < Gk, neut.… …   Universalium

• soap and detergent — ▪ chemical compound Introduction       substances that, when dissolved in water, possess the ability to remove dirt (detergent) from surfaces such as the human skin, textiles, and other solids. The seemingly simple process of cleaning a soiled… …   Universalium

• 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

• industrial polymers, chemistry of — Introduction       structure and composition of chemical compounds made up of long, chainlike molecules (molecule).       What distinguishes polymers from other types of compounds is the extremely large size of the molecules. The size of a… …   Universalium

• Migratory insertion — A migratory insertion is a type of reaction in organometallic chemistry wherein two ligands on a metal complex combine. It is a subset of reactions that very closely resembles the insertion reactions, and both are differentiated by the mechanism… …   Wikipedia

• Metalloid —   13 14 15 16 17   2  B Boron …   Wikipedia

• Living polymerization — In polymer chemistry, living polymerization is a form of addition polymerization where the ability of a growing polymer chain to terminate has been removed Ref|1. This can be accomplished in a variety of ways. Chain termination and chain transfer …   Wikipedia