tetracoordinate
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Tetracoordinate — in coordination chemistry generally refers to four ligands or atomic attachments to a single metal centre. Tetracoordinate species can form tetrahedral, square planar or pyramidal geometries. This is usually dictated by lone electron pairs on the … Wikipedia
Hypervalent molecule — A hypervalent molecule is a molecule that contains one or more main group elements formally bearing more than eight electrons in their valence shells. Phosphorus pentachloride (PCl5), sulfur hexafluoride (SF6), the phosphate (PO43−) ion, chlorine … Wikipedia
Periodate — (IPA: /pəˈraɪ.ədeɪt/) is an anion composed of iodine and oxygen. Periodates include two forms. The metaperiodate ion is IO4−; the orthoperiodate ion is IO65−. Usually both forms are called periodates. Periodate is the conjugate base of… … 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
chirality — The property of nonidentity of an object with its mirror image; used in chemistry with respect to stereochemical isomers. [G. cheir, hand] * * * chi·ral·i·ty (ki ralґĭ te) [Gr. cheir hand] the property of handedness, of not being… … Medical dictionary
Nickel — This article is about the chemical element. For other uses, see Nickel (disambiguation). cobalt ← nickel → copper ↑ Ni ↓ Pd … Wikipedia
Platinum — This article is about the chemical element. For other uses, see Platinum (disambiguation). iridium ← platinum → gold Pd ↑ Pt ↓ Ds … Wikipedia
Aluminium chloride — Aluminium chloride … Wikipedia
Antimonate — The antimonate ion is Sb(OH)6−, where Sb is antimony and (OH) is the hydroxyl group.An antimonate (compound) refers to a compound that contains the antimonate ion.See for a list. Antimonate ions occur in some minerals ( see ).In acid conditions… … Wikipedia
Methane monooxygenase — Particulate methane monooxygenase Identifiers Symbol pMMO Pfam PF02461 … Wikipedia
