doubly bonded
1chemical bonding — ▪ chemistry Introduction any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another …
2organohalogen compound — Introduction any of a class of organic compounds (organic compound) that contain at least one halogen (halogen element) ( fluorine [F], chlorine [Cl], bromine [Br], or iodine [I]) bonded to carbon. They are subdivided into alkyl, vinylic, aryl,… …
3chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements …
4organosulfur compound — ▪ chemical compound Introduction also spelled organosulphur compound , also called organic sulfur compound a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… …
5acid–base reaction — ▪ chemistry Introduction a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… …
6enol — A compound possessing a hydroxyl group (alcohol) attached to a doubly bonded (ethylenic) carbon atom (–CH=CH(OH)–); properly italicized when attached as a prefix or infix to an otherwise complete name; e.g., e. pyruvate; phosphoe.pyruvate;… …
7Keto-enol tautomerism — In organic chemistry, keto enol tautomerism refers to a chemical equilibrium between a keto form (a ketone or an aldehyde) and an enol. The enol and keto forms are said to be tautomers of each other. The interconversion of the two forms involves… …
8Imidazoline — IUPAC name 4,5 Dihydro 1H imidazole …
9enol — noun An organic compound containing a hydroxyl group bonded to a carbon atom, which is doubly bonded to another carbon atom …
10Silanes — This article is about a class of chemical compounds. For the compound with chemical formula SiH4, see Silane. Silanes are chemical compounds of silicon and hydrogen, which are analogues of alkane hydrocarbons. Silanes consist of a chain of… …
