bn:00006887n
Noun Concept
Categories: Chemical elements, Lanthanides, Articles with short description, Reducing agents, Lanthanum
EN
lanthanum  La  atomic number 57  57La  compounds of lanthanum
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EN
Lanthanum is a chemical element with the symbol La and atomic number 57. Wikipedia
Symbol La, a chemical element Wikipedia Disambiguation
Chemical element with symbol La and atomic number 57 Wikidata
Chemical element with symbol La and atomic number 57. It is a silvery white metallic element that belongs to group 3 of the periodic table and is a lanthanide. OmegaWiki
A chemical element (symbol La) with an atomic number of 57: a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air. Wiktionary
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