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Actinium, Americium, Berkelium, Californium, Cerium (mischmetal), Curium, Dysprosium, Einsteinium, Erbium, Europium, Fermium, Gadolinium, Holmium, Lanthanum, Lawrencium, Lutetium, Mendelevium, Neodymium, Neptunium, Nobelium, Plutonium, Praseodymium, Promethium, Protactinium, Samarium, Scandium, Terbium, Thorium, Thulium, Uranium, Ytterbium, Yttrium |
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