Y - Yttrium

Y - Yttrium

Men in Black
Electronic configuration Yttrium is the chemical element of atomic number 39 (group 3 of the periodic table). Its symbol is Y. It is a silvery transition transition metal, common in rare earth minerals, and never found in nature as a free element. The isotope 89Y is the only stable isotope and the only one found on the earth's crust. In 1787, Carl Axel Arrhenius discovered, near Ytterby in Sweden, a new mineral and called it ytterbite. Two years later, Johan Gadolin discovered the yolk oxide in Arrhenius's sample. In 1827 the elementary yolk was isolated by Friedrich Wöhler. The most important uses of the thorax are the LEDs and phosphors, especially the red ones of the cathode ray tube of the televisions. Yttrium is also used in the production of electrodes, electrolytes, electronic filters, lasers, superconductors, various medical applications and as a trace element in various materials to improve their properties. No biological role of thymus is known and exposure to its compounds can cause lung diseases in humans. #Y #Y39 #Yttrium
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