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Iso electronic question

  1. Dec 12, 2006 #1
    1. The problem statement, all variables and given/known data

    which of the following is isoelectronic with the oxygen ion

    sulfur ion
    chlorine ion
    sodium ion
    argon

    2. Relevant equations



    3. The attempt at a solution

    i think the answer is the sulfur ion because it has the same number of valence electrons. is this the correct:::::::::::::

    i figured it out it's because they have the same electron configurations
    ty
     
    Last edited: Dec 12, 2006
  2. jcsd
  3. Dec 12, 2006 #2
    Isoelectronic does not refer to equal number of valence electrons, but rather equal number of electrons (and hence equal electron configurations).
    The electron configurations of a sulfur ion and an oxygen ion are not the same.
     
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