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Player: 57 Guild: Periodic Table of Elements Title/Rank: Smokin’ Level: 90.51 (Rank 65) Economy: 8,792 Account: Upgraded Expire: 2 Apr 2024 Account Age: 799 Days ![]() ![]() | Lanthanum is a chemical element with the symbol La and atomic number 57. It is a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air. Lanthanum is traditionally counted among the rare earth elements. Lanthanum has no biological role in humans but is essential to some bacteria. It is not particularly toxic to humans but does show some antimicrobial activity. |