Practice 2 Electron Domains - 3.2.2.2.1.1 | Module 3: Chemical Bonding & Structure | IB Grade 12-Chemistry
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3.2.2.2.1.1 - 2 Electron Domains

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is an electron domain?

💡 Hint: Think about how electrons are grouped around atoms.

Question 2

Easy

How many electron domains would lead to a linear shape?

💡 Hint: Consider how bonds arrange themselves to minimize repulsion.

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 is the bond angle in a linear molecule?

  • 120 degrees
  • 180 degrees
  • 90 degrees

💡 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

💡 Hint: Think about how lone pairs affect the space taken up around the central atom.

Solve 2 more questions and get performance evaluation

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.

💡 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?

💡 Hint: Reflect on how the number of lone pairs impacts the geometry.

Challenge and get performance evaluation