Which of the following elements would you expect to have the greatest first ionization energy?
A)C
B)O
C)Li
D)Be
E)B

Name: Which of the following elements would you expect to have the greatest first ionization energy? A)C B)O C)Li D)Be E)B
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Question

Quizplus · Accepted Answer

Ionization energy generally increases as you move from left to right across a period and decreases as you go down a group. Oxygen (O) is in the top right corner of the periodic table, so it has the highest ionization energy of the choices given.

Which of the Following Elements Would You Expect to Have