Chapter 4 Review

SHORT ANSWER  Answer the following questions in the space provided.

1.    Compare and contrast Hund’s rule with the Pauli exclusion principle.

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Write the electron configuration and orbital notation for each of the following Atoms.

3.     Silicon

4.    Carbon

5.    Argon

6.    Magnessium

7.    Bromine

8.    Beryllium

9.    Explain what is wrong with the following electron configurations?

         a.            ↑↓  ↑↓  ↑↑  ↑­­__  ↑__                       

                          1s       2s      2p_x    2p_y     2p_z 

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         b.            ↑↓  ↑↓  ↑↓ ­ ____  ____

                          1s       2s      2p_x    2p_y     2p_z

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   10.   What do each of the quantum numbers describe:

            Principal: _________________________________________________________

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            Angular Momentum: ________________________________________________

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            Magnetic: _________________________________________________________

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            Spin: _____________________________________________________________

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