Which of the following has the lowest ionization energy?
A) Ba
B) Ca
C) Mg
D) Sr

Name: Which of the following has the lowest ionization energy? A) Ba B) Ca C) Mg D) Sr
Brand: Quizplus
Rating: 4.9 (39 reviews)

Question

Quizplus · Accepted Answer

Ba (Barium) has the lowest ionization energy among the options given. This is because it is located further down the group in the periodic table, which means its outer electrons are further away from the nucleus and are more easily removed compared to those in Ca, Mg, and Sr.

Which of the Following Has the Lowest Ionization Energy