Practice Ionic Radius - 2.2 | Unit 3: Periodicity | IB Grade 11: Chemistry
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Ionic Radius

2.2 - Ionic Radius

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What happens to the size of an atom when it becomes a cation?

💡 Hint: Think about the loss of electrons.

Question 2 Easy

Which ion would be larger, Na⁺ or K⁺?

💡 Hint: Consider the position of these elements in the periodic table.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What happens to the ionic radius when an atom becomes a cation?

A) It increases
B) It decreases
C) It stays the same

💡 Hint: Think about the overall charge of the ion.

Question 2

T/F: An anion is always larger than its parent atom.

True
False

💡 Hint: Consider the changes in electron configuration.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the ions Cl⁻, K⁺, and Ar, which would you expect to have the largest ionic radius and why?

💡 Hint: Consider how nuclear charge affects size.

Challenge 2 Hard

In a mixed isoelectronic series with ions of different oxidation states, how would you explain the differences in ionic radius observed?

💡 Hint: Think about how charge influences attractive forces.

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