- class (a) metal ion
- Макаров: ион металла класса (a)
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
ion-exchange reaction — ▪ chemical reaction Introduction any of a class of chemical reactions between two substances (each consisting of positively and negatively charged species called ions (ion)) that involves an exchange of one or more ionic components.… … 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 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
List of progressive metal artists — The following is a list of progressive metal artists, bands and groups. Note, this list contains some bands that at least at some point during their career played progressive metal. Rooted in the early 1980s, the genre fused mellow progressive… … Wikipedia
Heavy metal (chemistry) — A heavy metal is a member of a loosely defined subset of elements that exhibit metallic properties. It mainly includes the transition metals, some metalloids, lanthanides, and actinides. Many different definitions have been proposed some based on … Wikipedia
Amorphous metal — Samples of amorphous metal, with millimeter scale An amorphous metal is a metallic material with a disordered atomic scale structure. In contrast to most metals, which are crystalline and therefore have a highly ordered arrangement of atoms,… … Wikipedia
Classes of metals — Class A metals are metals that form hard acids. Hard acids are acids with relatively ionic bonds. These metals, such as iron, aluminum, titanium, sodium, calcium and the lanthanides, would rather bond with fluorine than iodine. They form stable… … 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
chemical 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 … Universalium
Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… … Universalium
chemical 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 … Universalium