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Lanthanides: stories to listen to | HearLore
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Lanthanides
EuropiumA single centimeter of pure europium metal will turn from a gleaming silver to a dull, dark brown crust within just a few days of exposure to the air.
DysprosiumIn 1886, French chemist Paul Émile Lecoq de Boisbaudran spent more than thirty attempts to isolate a new substance from holmium oxide, a process so…