Lanthanum - Wikipedia
Lanthanum is a chemical element with the symbol La and the 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 | Rare Earth Element, Uses in Technology, & Medicine …
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.
Lanthanum - Element information, properties and uses | Periodic …
Lanthanum is an important component of mischmetal alloy (about 20%). The best-known use for this alloy is in ‘flints’ for cigarette lighters. ‘Rare earth’ compounds containing lanthanum are used extensively in carbon lighting applications, such as studio lighting and cinema projection.
Lanthanum (La) Element: Properties, Uses, Reactions, Effects
2023年6月23日 · Lanthanum is a chemical element with the atomic number 57 and is represented by the symbol ‘La’ in the periodic table. It is soft and silvery in appearance and classified as rare earth metal and belongs to the d-block of the lanthanide group of the periodic table. It is a highly reactive rare earth metal only behind europium.
Comprehensive Guide to Lanthanum: Uses, Properties, and …
Lanthanum is a chemical element with the symbol "La" and atomic number 57. It belongs to the lanthanide series and is classified as a rare-earth element. Lanthanum is generally known for its use in high-tech applications like flat-panel displays and hybrid vehicle batteries.
Lanthanum Element | Uses, Facts, Physical & Chemical …
Lanthanum 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 of the transition metals of the 6 th period.
Lanthanum Element Facts / Chemistry - chemicool.com
Lanthanum is a silvery-white soft metal, which can be cut with a knife. It is ductile, malleable and exposed surfaces tarnish rapidly in air forming the oxide. Lanthanum reacts with water to form lanthanum hydroxide plus hydrogen gas.
Lanthanum Facts, Symbol, Discovery, Properties, Uses - Chemistry …
Lanthanum (pronunciation: LAN-the-nem) [3] is a soft, silvery rare-earth metal belonging to the lanthanoids family and represented by the chemical symbol La [1, 2]. Its main isotopes include the most abundant 139 La (with 99.91% natural abundance) and the most stable 138 La, the radioactive isotope with a half-life period of 1.06 X 10 26 years ...
Lanthanum Prices, Occurrence, Extraction and Use | Institute for …
Lanthanum [lantaːn] is a chemical element with the element symbol La and the atomic number 57. It belongs to the transition metals as well as the metals of the rare earths, in the periodic table stands it in the 6. Period and the 3. Subgroup (group 3) or scandium group.
Lanthanum (La) - Definition, Preparation, Properties, Uses
2024年7月11日 · What is Lanthanum? Lanthanum is a chemical element with the symbol La and atomic number 57. It is a soft, ductile, silvery-white metal that tarnishes rapidly when exposed to air and is soft enough to be cut with a knife.
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