Lanthanum is a chemical element in the periodic table that has the symbol La and atomic number 57..
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Cerium Cerium is a chemical element in the periodic table that has the symbol Ce and atomic number ... >
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Lanthanide The lanthanide series comprises the 15 elements from lanthanum to lutetium on the periodic table, with atomic numbers 57 through 71. All lanthanides ... >
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Indium Indium is a chemical element in the periodic table that has the symbol In and atomic number 49. This rare, soft, malleable and easily fusible poor ... >
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Germanium Germanium is a chemical element in the periodic table that has the symbol Ge and atomic number 32. This is a lustrous, hard, silver-white, metalloid ... >
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