Define lanthanum
Weblanthanum in American English. (ˈlænθənəm ) noun. a soft, malleable, silvery chemical element, one of the rare-earth elements and the first member of the lanthanide … WebLanthanum is a silver-white metal. Word Origin mid 19th cent.: from Greek lanthanein ‘escape notice’ (because for a long time it was undetected in cerium oxide) + -um . Questions about grammar and vocabulary?
Define lanthanum
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Weblanthanum: 1 n a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth Synonyms: La , atomic number 57 Type … WebLanthanum definition: a silvery-white ductile metallic element of the lanthanide series, occurring principally... Meaning, pronunciation, translations and examples
WebMar 3, 2024 · rare-earth element, any member of the group of chemical elements consisting of three elements in Group 3 (scandium [Sc], yttrium [Y], and lanthanum [La]) and the first extended row of elements below the main body of the periodic table (cerium [Ce] through lutetium [Lu]). The elements cerium through lutetium are called the … WebMay 4, 2016 · lanthanum (n.) lanthanum. (n.) metallic rare earth element, 1841, coined in Modern Latin by Swedish chemist and mineralogist Carl Gustav Mosander (1797-1858), …
WebLanthanum phosphide. Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Lanthanum phosphide is an inorganic compound of lanthanum and phosphorus with the chemical formula LaP. [1] [2] [3] WebThe meaning of LANTHANUM is a white soft malleable metallic element that occurs in rare-earth minerals. a white soft malleable metallic element that occurs in rare-earth minerals… See the full definition
WebLanthanum definition, a rare-earth, trivalent, metallic element, allied to aluminum, found in certain minerals, as monazite. Symbol: La; atomic weight: 138.91; atomic ...
WebDefinition of Lanthanum in the Definitions.net dictionary. Meaning of Lanthanum. What does Lanthanum mean? Information and translations of Lanthanum in the most … office inventory includesWebLanthanum is a silver-white metal. Word Origin mid 19th cent.: from Greek lanthanein ‘escape notice’ (because for a long time it was undetected in cerium oxide) + -um . … office invasion netflix rotten tomatoesWebNov 2, 2024 · First is their oxidation state. Lanthanides are known to adopt the oxidation state of +3. They tend to be most stable at this state. Oxidation state is a calculated value used to show the number ... my computer isn recognize my kodak printerWebThe content of the individual rare-earth elements varies considerably from mineral to mineral and from deposit to deposit. The minerals and ores are generally classified as “light” or “heavy”; in the former group most of the elements present are the light-atomic-weight elements (i.e., lanthanum, cerium, praseodymium, neodymium, samarium, and … office inventory list templateWebLanthanum. Definition. Lanthanum was discovered in January 1839 by Carl Gustav Mosander at the Karolinska Institute, Stockholm. He extracted it from cerium which had been discovered in 1803. Mosander noticed that while most of his sample of cerium oxide was insoluble, some was soluble and he deduced that this was the oxide of a new element. office inventory exampleWebLanthanum is much better than lead at pushing up the refractive index without dispersing the light too much, this extra clarity means that lanthanum oxide is now used widely in lenses for cameras and telescopes. Some of those lenses will be pointed at celebrity swimming pools, where one of the many chemicals likely to be added to the water is a ... office inventory list sampleWebMay 17, 2024 · Lanthanum is a transition element in Group 3 (IIIB) of the periodic table. Lanthanum's position makes it one of the transition metals. The transition metals are found in the center of the periodic table, in Groups 3 through 12. Lanthanum can also be classified as a rare earth element. The rare earth elements are the 15 elements that … my computer isn\u0027t charging when plugged in