[ad_1] Sci-Five | The Hindu Science Quiz: On elements found after 1900 1 / 5 | Which element is the last of the lanthanides on the periodic table? Cerium Promethium Thulium Lutetium Lutetium is the last of the lanthanides and the hardest of them. The pure metal has been isolated only in 1907 and is one of the most difficult to prepare. Next 2 / 5 | This element…
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