Skaars aardelemente sluit in lantaan (La), cerium (Ce), praseodimium (Pr), neodimium (Nd), prometium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), disprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), lutetium (Lu), skandium (Sc), en yttrium (Y). Die Eng...
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