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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an ionic radius?
💡 Hint: Think about the size of an ion in relation to its atom.
Question 2
Easy
How does a cation differ in size from its parent atom?
💡 Hint: Consider electron loss and nuclear charge.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What happens to the ionic radius when an atom becomes a cation?
- It increases
- It decreases
- It remains the same
💡 Hint: Think about the number of electrons lost.
Question 2
True or False: Anions are always larger than their parent atoms.
- True
- False
💡 Hint: Consider the effects of gaining electrons.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Explain why the ionic radius of Ca²⁺ is smaller than that of K⁺ even though both have the same number of electrons.
💡 Hint: Consider how charge affects size in isoelectronic species.
Question 2
Determine which has a greater ionic radius: Br⁻ or I⁻ and explain your reasoning.
💡 Hint: Think about periodic trends in ionic size.
Challenge and get performance evaluation