10. 
    yttrium
    (Y) (ĭ´tre-әm) a chemical element, atomic number 39, atomic weight 88.905. yttrium 90 an artificial radioactive isotope of yttrium that emits high energy beta particles and localizes predominantly in bone; used as a tracer in nuclear medicine.
    Found op http://www.encyclo.co.uk/local/21001
    
    
11. 
    Yttrium
    • (n.) A rare metallic element of the boron-aluminium group, found in gadolinite and other rare minerals, and extracted as a dark gray powder. Symbol Y. Atomic weight, 89.
    Found op http://thinkexist.com/dictionary/meaning/yttrium/
    
    
12. 
    yttrium
    (Y), chemical element, rare-earth metal of transition Group IIIb of the periodic table, used for red phosphors in colour television. Yttrium metal is ... [2 related articles]
    Found op http://www.britannica.com/eb/a-z/y/13
    
    
13. 
    yttrium
    (Y) A silvery-white rare-earth element of group III of the periodic table; it is used in alloys and as a 'getter' to help evacuate electron tubes. First isolated in 1828, yttrium is found in monzate sand, bastnaesite, and gadolinite; it was also found in lunar rock samples colle...
    Found op http://www.daviddarling.info/encyclopedia/Y/yttrium.html
    
    
14. 
    yttrium
    yttrium (it'rēum) [for Ytterby, a town in Sweden], metallic chemical element; symbol Y; at. no. 39; at. wt. 88.9059; m.p. about 1,522°C; b.p. 3,338°C; sp. gr. about 4.45; valence +3. Yttrium is a highly crystalline iron-gray metal. Usually considered a rare-earth metal, it is found...
    Found op http://www.infoplease.com/ce6/sci/A0853179.html
    
    
15. 
    Yttrium
    Yttrium is a metal element with the symbol Y. It is one of the transition elements in group 3 (or IIIb) of the periodic table. Yttrium melts at about 15220 Celsius, boils at about 33380 Celsius. It is sometimes included among the rare earth elements. It was isolated by the German chemist Friedrich W...
    Found op http://www.probertencyclopaedia.com/browse/GY.HTM
    
    
16. 
    yttrium
    Silver-grey, metallic element, atomic number 39, relative atomic mass 88.905. It is associated with and resembles the rare-earth elements (lanthanides), occurring in gadolinite, xenotime, and other minerals. It is used in colour-television tubes and to reduce steel corrosion. The name derives from t...
    Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0005429.html
    
    
17. 
    yttrium
    A metal of the rare earth group of elements. A radioactive form of yttrium may be attached to a monoclonal antibody or other molecule that can locate and bind to cancer cells and be used to diagnose or treat some types of cancer.
    Found op http://www.cancer.gov/dictionary?expand=Y
    
    
18. 
    Yttrium
    Yttrium (m {respell|IT|ree-əm}) is a chemical element with symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanides and it has often been classified as a "rare earth element". Yttrium is almost always found combined with the lanthanides in rare...
    Found op http://en.wikipedia.org/wiki/Yttrium
    
    
19. 
    yttrium
    1) Atomic number 39 2) Element #39 3) Element used in alloys 4) Metal 5) Metal element with the symbol y 6) Metallic element 7) Rare-earth element 8) Y
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/yttrium/1
    
    

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