periodic table. later experiments by austrian chemist carl auer welsbach in showed that mosander's oxide was actually a mixture of salts of two new elements, which were subsequently named praseodymium and neodymium....
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ytterby which he suspected contained the newly discovered element tungsten. analysis by other chemists did not bear out his suspicions, but ultimately four new elements were identified from arrhenius's ytterbite. carl gustaf mosander isolated three new oxides in , one of which he named terbia , giving...