Which of the following atoms would have the largest second ionization energy?
A)Mg
B)Cl
C)S
D)Ca
E)Na

Name: Which of the following atoms would have the largest second ionization energy? A)Mg B)Cl C)S D)Ca E)Na
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Question

Quizplus · Accepted Answer

The second ionization energy is highest for Na because removing a second electron from Na requires breaking into a stable noble gas configuration (Ne), which requires significantly more energy.

Which of the Following Atoms Would Have the Largest Second