Of the elements below, has the largest first ionization energy.
A) Na
B) H
C) Rb
D) K
E) Li

Name: Of the elements below, has the largest first ionization energy. A) Na B) H C) Rb D) K E) Li
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Quizplus · Accepted Answer

Hydrogen (H) has the largest first ionization energy because it is the smallest atom and therefore has the strongest attraction between the nucleus and the valence electron. As a result, it requires the most energy to remove that valence electron.

Of the Elements Below, Has the Largest First Ionization Energy