10. 
    boron
    chemical element, semimetal of main Group IIIa (boron group) of the periodic table, essential to plant growth and of wide industrial application.[13 related articles]
    Found op http://www.britannica.com/eb/a-z/b/95
    
    
11. 
    Boron
    Boron is British slang for a bore who knows everything about nothing.
    Found op http://www.probertencyclopaedia.com/browse/ZBA.HTM
    
    
12. 
    Boron
    Boron (n) is the chemical element with atomic number 5 and the chemical symbol B. The atomic mass is 10.81. Boron is a metalloid. Because boron is produced entirely by cosmic ray spallation and not by stellar nucleosynthesis, it is a low-abundance element in both the solar system and the Earth`s cr...
    Found op http://en.wikipedia.org/wiki/Boron
    
    
13. 
    boron
    (B) A soft, brown, amorphous or hard crystalline nonmetallic element. Boron is the first element in group IIIA of the periodic table, just above aluminum and next to carbon. Also described as a metalloid element, boron was first isolated by Humphrey Davy and, independently,...
    Found op http://www.daviddarling.info/encyclopedia/B/boron.html
    
    
14. 
    boron
    The chemical element commonly used as the dopant in a solar photovoltaic device or cell material. Related category • SEMICONDUCTOR SCIENCE AND TECHNOLOGY
    Found op http://www.daviddarling.info/encyclopedia/B/AE_boron.html
    
    
15. 
    boron
    boron (bōr'on) [New Gr. from borax], chemical element; symbol B; at. no. 5; at. wt. 10.81; m.p. about 2,300°C; sublimation point about 2,550°C; sp. gr. 2.3 at 25°C; valence +3. Boron is a nonmetallic element existing as a dark brown to black amorphous powder or as an extremely ...
    Found op http://www.infoplease.com/ce6/sci/A0808388.html
    
    
16. 
    Boron
    Boron is British slang for a bore who knows everything about nothing.
    Found op http://www.probertencyclopaedia.com/browse/ZBA.HTM
    
    
17. 
    Boron
    Boron is a trivalent metalloid element found in nature only in combination, often in borates or silicates (such as in borax). Boron is used in metallurgy and nucleonics, being very important in nuclear reactors. It has the symbol B and is a dark brown or green amorphous powder, which stains the skin...
    Found op http://www.probertencyclopaedia.com/browse/GB.HTM
    
    
18. 
    boron
    Non-metallic element, atomic number 5, relative atomic mass 10.811. In nature it is found only in compounds, as with sodium and oxygen in borax. It exists in two allotropic forms (see allotropy): brown amorphous powder and very hard, brilliant crystals. Its compounds are used in the preparation of b...
    Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0009923.html
    
    
19. 
    Boron
    [Korhogo] Boron (Korhogo) is a town and commune in Côte d`Ivoire. ...
    Found op http://en.wikipedia.org/wiki/Boron_(Korhogo)
    
    
20. 
    boron
    1) A metalloid 2) Atomic number 5 3) B 4) B in chemistry 5) B, to bohr 6) Chemical element 7) Element 8) Element #5 9) Element #5, which has a dumb-sounding name 10) Element 5 11) Element in colemanite 12) Element nu...
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/boron/1
    
    

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