LANTHANUM

Lanthanum

Lanthanum is a chemical element with the symbol La and atomic number 57. Lanthanum is a silvery white metallic element and is the first element of the lanthanide series. It is found in some rare-earth minerals, usually in combination with cerium and other rare earth elements. Lanthanum is a malleable, ductile, and soft metal that oxidizes rapidly when exposed to air. It is produced from the minerals monazite and bastnäsite using a complex multistage extraction process. Lanthanum compounds have numerous applications as catalysts, additives in glass, carbon lighting for studio lighting and projection, ignition elements in lighters and torches, ...

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lanthanum

Noun

  1. A metallic chemical element (symbol La) with an atomic number of 57.


The above text is a snippet from Wiktionary: lanthanum
and as such is available under the Creative Commons Attribution/Share-Alike License.

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