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Yttrium
Element 39, atomic weight 88.90585, a dark gray metal that is used in alloys and nuclear technology for its high neutron transparency. Yttrium compounds are used in the manufacture of color tv screens, superconducting ceramics, and fireproof bricks.
Name: yttrium Symbol: Y Atomic number: 39 Atomic weight: 88.90585 (2) Group in periodic table: 3 Group name: Period in periodic table: 5 Block in periodic table: d-block CAS registry ID: 7440-65-5Yttrium has a silvery-metallic lustre. Yttrium turnings ignite in air. Yttrium is found in most rare-earth minerals. Moon rocks contain yttrium and yttrium is used as a "phosphor" to produce the red colour in television screens.
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Science Dictionary INDEX:List of Terms: Terms beginning with "A", Page 1 |
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 A: Page 1 of 22. |
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