Question Detail

CHM 101 CHM 101 Past Questions Objective Question
Take CBT

Question

Why does atomic radius increase down a group?
Options
A Increase in nuclear charge
B Addition of new electron shells
Correct Answer
C Stronger attraction of electrons
D Decrease in electron shielding
Correct Answer

Option B is the correct answer.

Detailed Explanation

As you move down a group in the periodic table, each element has an additional principal energy level (electron shell) compared to the one above it. This new, larger shell makes the atom significantly larger.

Hint

The number of electron shells increases as you go down.

Question Info

Course: CHM 101
Topic: CHM 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 361 of 1872
Previous Course Details Next