Neodymium, mmewere 60 nke tebụl oge. Ejikọtara Neodymium na praseodymium, ha abụọ bụ Lanthanide nwere ihe ndị yiri ya. Na 1885, mgbe onye Sweden chemist Mosander chọpụtara ngwakọta nke lanthanum na praseodymium na neodymium, ndị Austrian Welsbach kewapụrụ nke ọma…
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