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Valency of copper

  1. Sep 11, 2011 #1
    why does copper show 2 valancies??
     
  2. jcsd
  3. Sep 15, 2011 #2
    What do you mean shows 2 valencies?

    "In chemistry, valence, also known as valency or valence number, is a measure of the number of bonds formed by an atom of a given element."
     
    Last edited: Sep 15, 2011
  4. Sep 15, 2011 #3

    Borek

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    Staff: Mentor

    I guess Bipix means copper in its compounds can be either +1 or +2. Judging from the valence electrons, it should be +1 only.
     
  5. Sep 15, 2011 #4
    Well.... There are Copper (III) and Copper (IV) as well...
     
  6. Sep 15, 2011 #5

    Borek

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    Staff: Mentor

    Yes, but +1 and +2 are most common, on some levels on education they are the only ones mentioned.
     
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