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Which element has the greatest ionization energy?

Lithium(atomic # 3), Boron(atomic # 5), Nitrogen(atomic # 7), or fluorine(atomic # 9),?

1 Answer

4 votes
Florine has the highest ionization energy due to the trend on the periodic table, going up and right the ionization energy will increase, francium being the lowest and helium the highest.
User Jen R
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