11/8/01,11/9/01

Read Section 4-5

Answer Questions on Page 153 #’s 1-3 and BELOW:

 

1.  What is meant by the electron configuration of an atom?

 

2.  State the three rules that allow you to write the electron configuration of an atom.

 

3.  Critical Thinking-Developing hypothesis

          Why do electrons occupy equal energy orbitals singly before beginning to pair up in twos?

 

4.  Write the orbital diagram for each of the following:

          a)  Mg

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          b)  O

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          c) Al

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          d) Sc

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          e) Sn

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5.  Name the above elements:

          a)

          b)

          c)

          d)

          e)

6.  Write out the electron configurations for a) Bismuth and b) Vanadium.  How many unpaired electrons does each possess?