Ihe ndị na-adịghị ahụkebe ụwa / obere ihe ndị Lanthanide nwere ọnụọgụ atọm sitere na 57 ruo 71 na tebụl oge, ya bụ lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm) Samarium (Sm) , europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), er...
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