(EN) lanthanide

См. также в других словарях:

• Lanthanide contraction — is a term used in chemistry to describe different but closely related concepts associated with smaller than expected ionic radii of the elements in the lanthanide series (atomic number 58, Cerium to 71, Lutetium).CauseVery simply, the effect… …   Wikipedia

• Lanthanide triflates — are triflate salts of the lanthanide family with many uses in organic chemistry as Lewis acid catalysts. The catalysts act similar to aluminium chloride or ferric chloride, but are stable in water, which makes it possible to use water as solvent… …   Wikipedia

• lanthanide — n. Any rare earth element of the lanthanide series (atomic numbers 57 through 71). Syn: rare earth, rare earth element, lanthanon. [WordNet 1.5] …   The Collaborative International Dictionary of English

• lanthanide — ● lanthanide nom masculin Nom générique des éléments des terres rares, doués de propriétés chimiques très voisines, et dont le premier est le lanthane. (Leurs numéros atomiques vont de 57 à 71 ; ils sont souvent représentés par le symbole Ln.)… …   Encyclopédie Universelle

• lanthanide — [lan′thənän΄lan′thə nīd΄] n. any of the rare earth elements (lanthanide series): see the periodic table of elements in the Reference Supplement: sometimes called lanthanoid [lan′thənoid΄] or lanthanon [lan′thənän΄] …   English World dictionary

• lanthanide — ► NOUN ▪ any of the series of fifteen rare earth elements from lanthanum to lutetium in the periodic table …   English terms dictionary

• Lanthanide —   1 2   3 4 5 6 7 8 9 …   Wikipédia en Français

• lanthanide contraction — ▪ chemistry also called  lanthanoid contraction        in chemistry, the steady decrease in the size of the atoms and ions of the rare earth elements (rare earth element) with increasing atomic number from lanthanum (atomic number 57) through… …   Universalium

• lanthanide — lantanoidas statusas T sritis fizika atitikmenys: angl. lanthanide; lanthanoide vok. Lanthanid, n; Lanthanoid, n rus. лантаноид, m pranc. lanthanide, m …   Fizikos terminų žodynas

• lanthanide — n. Chem. an element of the lanthanide series. Phrases and idioms: lanthanide series a series of 15 metallic elements from lanthanum to lutetium in the periodic table, having similar chemical properties: also called rare earths (see RARE(1)).… …   Useful english dictionary

• lanthanide series — noun the rare earth elements with atomic numbers 57 through 71; having properties similar to lanthanum • Hypernyms: ↑series * * * noun : the group of rare earth metals often including lanthanum and sometimes yttrium compare periodic table * * *… …   Useful english dictionary