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Fluorine. Ionization energies are a periodic trend and they generally increase as you go up and to the right in the Periodic Table.

See the chart in the Web Links to the left for a complete chart of the ionization energies of all the elements.

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โˆ™ 2007-07-25 21:59:36
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Q: Out of carbon and fluorine and hydrogen and nitrogen and aluminum which element has the highest value for the first ionization energy?
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