Lanthanum
41lanthanium — Lanthanum Lan tha*num (l[a^]n th[.a]*n[u^]m), n. [NL., fr. Gr. lanqa nein to lie hid, to be concealed.] (Chem.) A rare element of the rare earth group of the metals, of atomic number 57, allied to aluminum. It occurs in certain rare minerals, as… …
42Lanthan — Lanthanum; La (Symbol) * * * Lan|than 〈n.; s; unz.; chem. 〉 zu den Metallen der seltenen Erden gehörendes chem. Element, Ordnungszahl 57 [zu grch. lanthanein „verborgen sein“] * * * Lan|than [griech. lanthánein = verborgen sein], das; s; chem.… …
43Лантан (La) — [lanthanum] элемент III группы Периодической системы; атомный номер 57, атомная масса 138,055; РЗЭ; серебристо белый металл. La открыт в 1939 г. шведским химиком К. Мозандером. Содержание La в земной коре 1,8 • 10 3 %, он по распространенности… …
44rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …
45List of inorganic compounds — Tentative listing related to this page, inorganic compounds by element (presently under construction), as well as . This list is not necessarily complete or up to date ndash; if you see an article that should be here but isn t (or one that… …
46Lanthanchlorid — Kristallstruktur  La3+      …
47Dictionary of chemical formulas — This is a list of chemical compounds with chemical formulas and CAS numbers, indexed by formula. This complements alternative listings to be found at list of inorganic compounds, list of organic compounds and inorganic compounds by element. Table …
48transition element — Chem. any element in any of the series of elements with atomic numbers 21 29, 39 47, 57 79, and 89 107, that in a given inner orbital has less than a full quota of electrons. Also called transition metal. [1920 25] * * * Any chemical element with …
49Lanthanfluorid — Kristallstruktur  La3+      …
50Cerium hexaboride — Other names cerium boride, ceBIX, CEBIX Identifiers …
