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More oxidation numbers help

  1. Sep 4, 2009 #1
    Determine the oxidation number for each atoms in the following compounds or ions:
    a) H3 0+
    ox # -2
    b)P4 O10
    ox #-3
    c)S8
    ox #5
    d)H2 CO
    ox #4
    e)NH4 CLO4
    ox #2
    I need help to know if i am doing it right.
     
  2. jcsd
  3. Sep 4, 2009 #2
    Each type of atom in each compound will have a different oxidation number...so for a you have different answers for oxygen and hydrogen, for b you have different oxidation numbers for phosphorous and oxygen, d has 3 elements, etc...
     
  4. Sep 4, 2009 #3
    Thanks 4 the help. I know that I need to just tell the ox. #s +/- of each the elements.
     
  5. Sep 5, 2009 #4

    Borek

    User Avatar

    Staff: Mentor

    So you can't give ONE answer to each question.

    e has four elements - oxidation number 2 refers to H, N, O or Cl?
     
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