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Video id: #722 (enlarge)
Post date: 6/23/2011
Posted by: ntid_lexicon
  • Currently 5.0/5 Stars.
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  • Definition: A substance containing different elements chemically bonded together.

    Source: Kelter P, Mosher M, and Scott A (2008). Chemistry: the Practical Science. New York: Houghton Mifflin Company.

  • 8:23am 9/20/2013

    User: rogertbiles

    Post count: 4

    This sign looks clear and simple.