Practice Atomic Radius (2.1) - Unit 3: Periodicity - IB 11 Chemistry
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Atomic Radius

Practice - Atomic Radius

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Practice Questions

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Question 1 Easy

What happens to atomic radius as you move down a group in the periodic table?

💡 Hint: Think about adding energy levels.

Question 2 Easy

What is the definition of effective nuclear charge?

💡 Hint: Consider how inner electrons affect the attraction.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary factor that causes atomic radius to increase down a group?

A) Increased nuclear charge
B) Increased principal energy levels
C) Decreased electron shielding

💡 Hint: Consider what happens to the electron layers.

Question 2

True or False: The atomic radius decreases as you move from left to right across a period.

True
False

💡 Hint: Visualize how protons draw electrons closer.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Discuss the influence of effective nuclear charge on the stability of a cation's atomic radius versus that of a neutral atom.

💡 Hint: Consider how losing electrons affects effective nuclear charge.

Challenge 2 Hard

For the elements in Period 4, arrange them according to their atomic radii and justify your order.

💡 Hint: Remember the periodic trends when organizing the elements.

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