Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an electron domain?
π‘ Hint: Think about how electrons are grouped around atoms.
Question 2
Easy
How many electron domains would lead to a linear shape?
π‘ Hint: Consider how bonds arrange themselves to minimize repulsion.
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Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the bond angle in a linear molecule?
- 120 degrees
- 180 degrees
- 90 degrees
π‘ Hint: Recall the geometry associated with two electron domains.
Question 2
True or False: Lone pairs always decrease the bond angle compared to ideal angles.
- True
- False
π‘ Hint: Think about how lone pairs affect the space taken up around the central atom.
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Challenge Problems
Push your limits with challenges.
Question 1
Predict the molecular geometry of a molecule with 4 electron domains, 2 of which are lone pairs. Justify your answer.
π‘ Hint: Consider how lone pairs change the position of bonding pairs.
Question 2
Compare and analyze NH3 and H2O in terms of their electron domains and molecular shapes. What accounts for the difference in bond angles?
π‘ Hint: Reflect on how the number of lone pairs impacts the geometry.
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