Ionization Energy

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There are a few exceptions to the trend in ionization energy. The reason is rooted in electron configuration, so if you can understand the "why," you won't need to memorize them! :)

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Try it!

1) Successive ionization energies for an atom are plotted below. This trend/plot is consistent with which of the following atoms?

2) What is a reasonable range for the 6th ionization energy? (all options in kJ/mol)

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