10. Periodic Properties of the Elements

As you move down a group in the periodic table, what happens to the number of energy levels (principal quantum numbers) in the atoms?

Which of the following best explains why the atomic radius decreases as you move from left to right across a period in the periodic table?

Which of the following best explains why an increase in atomic radius generally results in a lower ionization energy?

Which neutral atom below has the largest atomic radius?

Which of the following best describes the relationship between atomic radius and ionization energy across a period in the periodic table?

Which of the following atoms has the largest atomic radius?

Which statement best describes the relationship between the atomic radius of a metal atom and its reactivity?

Which of the following statements correctly describes a trend in atomic radii in the periodic table?

How does atomic radius change as you move from top to bottom within a group in the periodic table?

Which of the following best describes the trend in atomic radius as you move down a group on the periodic table?

How does atomic radius change as you move from left to right across a period in the periodic table?

Which statement best describes the trend in atomic radius as you move from left to right across a period in the periodic table, and what is the main cause of this trend?

Which of the following best describes the trend in atomic radius across a period from left to right on the periodic table?

Which general trend is observed in atomic radius as the elements in period 2 of the periodic table are considered from left to right?

When examining a periodic table where each element has three numbers listed beneath its symbol, which of the following values typically represents the atomic radius?