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CHM 101 CHM 101 Past Questions Objective Question

Question

As you move down a group in the periodic table, the atomic radius generally:
Options
A decreases
B increases
Correct Answer
C remains constant
D first decreases then increases
Correct Answer

Option B is the correct answer.

Detailed Explanation

Down a group, additional electron shells are added, increasing the distance between the nucleus and the outermost electrons, so the atomic radius increases.

Hint

Think about the number of energy levels.

Question Info