- lanthanide
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Any of the 14 rare earth elements from cerium (or from lanthanum) to lutetium in the periodic table; because their outermost orbitals are empty, they have very similar chemistry; below them are the actinides.
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lanthanide
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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 — 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 — … Deutsch Wikipedia
lanthanide — /lan theuh nuyd , nid/, n. Chem. any element of the lanthanide series. Also called lanthanon /lan theuh non /. [1925 30; LANTHAN(UM) + IDE] * * * Any of the series of 15 consecutive chemical elements in the periodic table from lanthanum to… … Universalium
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
