Izakhi zomhlaba ezingavamile zihlanganisa i-lanthanum (La), i-cerium (Ce), i-praseodymium (Pr), neodymium (Nd), i-promethium (Pm), i-samarium (Sm), i-europium (Eu), i-gadolinium (Gd), i-terbium (Tb), i-dysprosium (Dy), i-holmium (Ho), i-erbium (Er), i-thulium (Tm), i-ytterbium (Yb), i-lutetium (Lu), i-scandium (Sc), ne-yttrium (Y). I-Eng...
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