10. Periodic Properties of the Elements

Which of the following elements has the smallest first ionization energy (IE\(_1\))?

Which of the following correctly describes how ionization energy changes across a period in the periodic table?

Which of the following elements has the lowest ionization energy?

As you move from left to right across a period in the periodic table, what happens to the ionization energy of the elements?

Which of the following elements would be expected to have the highest first ionization energy?

Why does the first ionization energy generally increase across a period for the main group elements?

Which of the following elements has the highest first ionization energy?

What is the general trend in first ionization energy as we move down a column (group) in the periodic table?

Which best explains why ionization energy tends to decrease from the top to the bottom of a group in the periodic table?

Which equation represents the second ionization energy of magnesium?

Which of the following elements has the highest first ionization energy?

As you move from left to right across a period (row) on the periodic table, what happens to the ionization energy of the elements?

Which of the following best describes the effect of a larger shielding effect on the ionization energy of an atom?

Which element has the highest first ionization energy among the following?