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Questions on exceptions to Aufbau principle. . . Please help

  1. Nov 16, 2008 #1
    Questions on exceptions to Aufbau principle. . . Please help!!!

    1. The problem statement, all variables and given/known data

    Explain how and why Co and Mo break the Aufbau principle in their respective e- configuration.



    2. Relevant equations



    3. The attempt at a solution

    I was out of class when my teacher explained this, please help me. . .
     
  2. jcsd
  3. Nov 16, 2008 #2

    Borek

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    Staff: Mentor

    Re: Questions on exceptions to Aufbau principle. . . Please help!!!

    Do you know what Aufbau principle is? Read about it in your book, you may also consult wikipedia. Then take a look at Co and Mo electron configuration - are these expected when applying Aufbau principle?
     
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