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metallic element; metal[Classe]
élément radioactif (fr)[Classe]
élément chimique métallique (fr)[Classe]
atomic number 58, Ce, cerium - atomic number 68, Er, erbium - atomic number 57, La, lanthanum - atomic number 65, Tb, terbium - atomic number 66, Dy, dysprosium - atomic number 63, Eu, europium - atomic number 64, gadolinium, Gd - atomic number 67, Ho, holmium - atomic number 71, Lu, lutecium, lutetium - atomic number 60, Nd, neodymium - atomic number 59, Pr, praseodymium - atomic number 61, Pm, promethium - atomic number 62, samarium, Sm - atomic number 69, thulium, Tm - atomic number 70, Yb, ytterbium[Spéc.]
lanthanide, lanthanoid, lanthanon, rare earth, rare earth element, rare-earth element[Gén.]
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