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 …

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 …

Jun 23, 2023 · 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 …

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 …

Lanthanum is also found in the anode of nickel metal hydride batteries used in hybrid cars. Lanthanum is an important component of mischmetal alloy (about 20%). The best-known use …

Jun 20, 2013 · As a rare-earth metal, lanthanum is found in rare-earth minerals such as cerite, monazite, allanite and bastnasite. In monazite and bastnasite, lanthanum can be found in …

Jan 18, 2025 · Lanthanum is a soft, silvery-white metallic element with the symbol La and atomic number 57. It is the first element in the lanthanide series and is a rare earth element. …

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 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 …

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 …