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About the Element Gadolinium is a silvery-white metal that crystalizes as a hexagon at room temperature. It is used extensively in consumer products, such as color TV tubes and compact discs. It has been used in medical imagining and nuclear marine propulsion systems. While relatively stable in dry air, moist air causes it to oxidize quickly and flake off. gadolinium is a component of many minerals, but is never found as a free element. Gadolinium was first observed in 1880 by Swiss chemist Jean Charles Galissard de Marignac, and the isotope gadolinia was separated by French chemist Paul Émile Lecoq de Boisbaudran in 1886. Gadolinium has been isolated fairly recently. The element was named after Finnish chemist and geologist Johan Gadolin.
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Gadolinium by Anne Bargar see also:Tellurium |
Symbol: Gd Atomic number: 64 Atomic weight: 157.25
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