Choose the solid that has the smallest ionization energy.
A)Be
B)Mg
C)Ca
D)Sr
E)Ba

Name: Choose the solid that has the smallest ionization energy. A)Be B)Mg C)Ca D)Sr E)Ba
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Question

Quizplus · Accepted Answer

Ba (Barium) has the smallest ionization energy among the options given. Ionization energy generally decreases down a group in the periodic table because the outer electrons are farther from the nucleus and are more easily removed. Ba is lower in the group than the other elements listed, making its ionization energy the smallest.

Choose the Solid That Has the Smallest Ionization Energy