- substitution isomerism
- position i.
Medical dictionary. 2011.
Medical dictionary. 2011.
Conformational isomerism — Conformers of butane, shown in Newman projection. The two gauche as well as the anti form are staggered conformations In chemistry, conformational isomerism is a form of stereoisomerism in which the isomers can be interconverted exclusively by… … Wikipedia
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
hydrocarbon — hydrocarbonaceous, adj. /huy dreuh kahr beuhn, huy dreuh kahr /, n. any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH4, an alkene, ethylene, C2H4, an alkyne, acetylene, C2H2, or an aromatic compound,… … Universalium
chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… … Universalium
Isomer — This article is about the chemical concept. For isomerism of atomic nuclei, see nuclear isomer. In chemistry, isomers (from Greek ἰσομερής, isomerès; isos = equal , méros = part ) are compounds with the same molecular formula but different… … Wikipedia
Laurent, Auguste — ▪ French chemist Introduction born Sept. 14, 1808, near Langres, Haute Marne, France died April 15, 1853, Paris French chemist who helped lay the foundations of organic chemistry (chemistry). Early life and education After… … Universalium
Ligand — This article is about ligands in inorganic chemistry. For ligands in biochemistry, see Ligand (biochemistry). For other uses, see Ligand (disambiguation). Cobalt complex [HCo(CO)4] with five ligands In coordination chemistry, a ligand is an ion… … Wikipedia
Ortho- — Or tho ([^o]r th[ o] ) pref. [Gr. orqo s straight; akin to Skr. [=u]rdhva upright, v[.r]dh to grow, to cause to grow.] [1913 Webster] 1. A combining form signifying straight, right, upright, correct, regular; as, orthodromy, orthodiagonal,… … The Collaborative International Dictionary of English
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
Chirality (chemistry) — L form redirects here. For the bacterial strains, see L form bacteria. Two enantiomers of a generic amino acid … Wikipedia