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Ytterbium is an element among the rare earth metals in the periodic table. It is a silvery-colored, soft metal. It occurs in very small quantities in nature and is used by scientists in their research. Discovery and History Ytterbium was discovered in 1878 by Swedish chemists. Its name derives from Ytterby, the village where it was discovered. This village is famous for the occurrence of rare elements. Physical Properties Ytterbium is a metal with a silvery appearance. It has a soft structure an