alkali metal complexes

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• alkali metal — Chem. any of the group of univalent metals including potassium, sodium, lithium, rubidium, cesium, and francium, whose hydroxides are alkalis. [1880 85] * * * Any of the six chemical elements in the leftmost group of the periodic table (lithium,… …   Universalium

• Metal amides — are a class of coordination compounds composed of a metal center with amide ligands of the form NR2. Amide ligands have two electron pairs available for bonding. In principle, they can be terminal or bridging. In these two examples, the… …   Wikipedia

• Metal dithiolene complex — Metal dithiolene complexes are complexes containing dithiolene ligands. Dithiolene ligands are unsaturated bidentate ligand wherein the two donor atoms are sulfur. Dithiolenes are often referred to as metallodithiolenes or dithiolene complexes… …   Wikipedia

• Metal ions in aqueous solution — A metal ion in aqueous solution is a cation, dissolved in water, of chemical formula [M(H2O)n]z+. The solvation number, n, determined by a variety of experimental methods is 4 for Li+ and Be2+ and 6 for elements in rows 3 and 4 of the periodic… …   Wikipedia

• Metal bis(trimethylsilyl)amides — The bis(trimethylsilyl)amide ligand Metal bis(trimethylsilyl)amides are coordination complexes of a metal cation with bis(trimethylsilyl)amide ligands. These ligands are often denoted hmds (from hexamethyldisilazide). These compounds are part of… …   Wikipedia

• Transition metal — The term transition metal (sometimes also called a transition element) has two possible meanings: The IUPAC definition[1] states that a transition metal is an element whose atom has an incomplete d sub shell, or which can give rise to cations… …   Wikipedia

• alkaline-earth metal — /al keuh luyn errth , lin /, Chem. any of the group of bivalent metals including barium, radium, strontium, calcium, and, usually, magnesium, the hydroxides of which are alkalis but less soluble than those of the alkali metals. [1900 05] * * * ▪… …   Universalium

• Crystal structure of boron-rich metal borides — Two single crystals of YB66 (1 cm diameter) grown by floating zone technique using (100) oriented seeds. In the top crystal, the seed (left from the black line) has same diameter as the crystal. In the bottom crystal (sliced), the seed is much… …   Wikipedia

• Erwin Weiss (Chemiker) — Erwin Weiss (* 9. Juli 1926 in Arzberg/Oberfranken) ist ein deutscher Chemiker und Professor für Anorganische Chemie an der Universität Hamburg[1]. Inhaltsverzeichnis 1 Leben und Werk 2 Mitgliedschaften und Auszeichnungen …   Deutsch Wikipedia

• Curium — This article is about the chemical element. For the ancient city located in Cyprus, see Kourion. americium ← curium → berkelium …   Wikipedia

• Copper — For other uses, see Copper (disambiguation) …   Wikipedia