Y − Yttrium

Y − YttriumYttrium is a silver, lustrous transitional metal, common in rare earth minerals. It is relatively stable in air, unless finely divided. Yttrium shavings can ignite at 400⁰ C. The element and its compounds have many commercial uses. Yttrium oxide is widely used to make phosphors that give the red color in television picture tubes. It is also used in the production of microwave filters, and cubic zirconia. Other forms of Yttrium are used in gas mantles for lanterns, white LEDs, aluminum and magnesium alloys, and the radioimmunotherapy drug Zevalin®. Yttrium is used in specialty alloys for high temperature applications.

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