Practice - Ionic Radius
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Practice Questions
Test your understanding with targeted questions
What is an ionic radius?
💡 Hint: Think about the size of an ion in relation to its atom.
How does a cation differ in size from its parent atom?
💡 Hint: Consider electron loss and nuclear charge.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What happens to the ionic radius when an atom becomes a cation?
💡 Hint: Think about the number of electrons lost.
True or False: Anions are always larger than their parent atoms.
💡 Hint: Consider the effects of gaining electrons.
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Challenge Problems
Push your limits with advanced challenges
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.
Determine which has a greater ionic radius: Br⁻ or I⁻ and explain your reasoning.
💡 Hint: Think about periodic trends in ionic size.
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Reference links
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