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Questions for Ionization Energy Lab Activity:

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    Part I and Part II:

    Answer the following questions for Part I and Part II.

    1. Looking at your graph, which atom or ion had the lowest energy level?
    2. What was the energy value?
    3. Why is the atom's second ionization energy larger than the first?
    4. Which atom/ion is most stable?

    Part III:

    1. Which method is more precise, Subtraction or Koopmans' Theory?
    2. What are some explanations why there is a difference in the two calculataions?

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