lanthanein |
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| navigate by keyword : additive atom atomic blue catalyst chart chemical chemistry compound display earth education electrode element elements formula glass greek grid hidden ignition illustration inorganic lanthanein lanthanum lie lighter material metal name number periodic perspective rare raster research science sign substance symbol table tabular torch vector white |
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| Lanthanum, on periodic table. Metal and rare earth element, with symbol La, from Greek lanthanein, meaning to lie hidden. Atomic number 57. Used as catalysts, additives in glass, lighters and torches. |
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