Lanthanum - Wikipedia
WEBLanthanum is a chemical element; it has symbol La and atomic number 57. It is a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air. It is the eponym of the lanthanide series, a group of 15 similar elements between lanthanum and lutetium in the periodic table, of which lanthanum is the first and the prototype.
Lanthanum - Element information, properties and uses | Periodic …
WEBElement Lanthanum (La), Group 19, Atomic Number 57, d-block, Mass 138.905. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Lanthanum | Rare Earth Element, Uses in Technology, & Medicine
WEBMar 6, 2024 · lanthanum (La), chemical element, a rare-earth metal of Group 3 of the periodic table, that is the prototype of the lanthanide series of elements. Lanthanum is a ductile and malleable silvery white metal that is soft enough to be cut with a knife.
Comprehensive Guide to Lanthanum: Uses, Properties, and …
WEBExplore the comprehensive guide on Lanthanum, a rare-earth element with wide-ranging applications. Learn about its history, physical and chemical properties, industrial uses in fluid catalytic cracking, optics, and green technologies, as well as its medical applications.
Facts About Lanthanum | Live Science
WEBJun 20, 2013 · Natural lanthanum has two stable isotopes, 138 La and 139 La, as well as 23 other radioactive isotopes. Sources of lanthanum. As a rare-earth metal, lanthanum is found in rare-earth minerals...
Lanthanum Element | Uses, Facts, Physical & Chemical …
WEBLanthanum is a whitish silver metal. It is malleable and soft and can be cut with a knife. It is the first member of the lanthanide series of the periodic table, that is comprised of fifteen similar elements. Lanthanum is also the first member …
Lanthanum - Minerals Education Coalition
WEBDescription. Named from the Greek word meaning “to lie hidden,” lanthanum is a very soft, silvery-white metal–soft enough to cut with a knife. It is very reactive, tarnishing quickly in air and reacting with water to form hydrogen gas. It also reacts with most acids and bases.
Lanthanum - New World Encyclopedia
WEBLanthanum (chemical symbol La, atomic number 57) is a soft, silvery white metallic element. Found in combination with other rare earth elements, it is one of the most reactive of the rare earth metals.
lanthanum summary | Britannica
WEBlanthanum, Metallic chemical element, one of the transition elements, chemical symbol La, atomic number 57. It was discovered in 1839, and its name derives from the Greek for “to lie hidden.” Lanthanum is a ductile and malleable silvery …
Lanthanum - Wikiwand
WEBLanthanum is a chemical element; it has symbol La and atomic number 57. It is a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air. It is the eponym of the lanthanide series, a group of 15 similar elements between lanthanum and lutetium in the periodic table, of which lanthanum is the first and the prototype.
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