Practice Soft Solids or Gaseous/Liquid States at Room Temperature - 3.3.1.5 | Chapter 3: Chemical Bonding and Structure | IB Grade 9 Chemistry
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Practice Questions

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Question 1

Easy

What is a covalent compound?

💡 Hint: Think about how atoms join together without losing their electrons.

Question 2

Easy

Why do covalent compounds have low melting points?

💡 Hint: Consider the forces that hold the molecules together.

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 a characteristic property of covalent compounds?

  • They have high melting points.
  • They are poor conductors of electricity.
  • They consist of charged particles.

💡 Hint: Think about the nature of their molecular structure.

Question 2

True or False: Covalent compounds generally have high melting and boiling points.

  • True
  • False

💡 Hint: Recall the differences between ionic and covalent compounds.

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Challenge Problems

Push your limits with challenges.

Question 1

Discuss the implications of low boiling points and high volatility for the use of covalent compounds in industrial solvents.

💡 Hint: Consider how these properties affect handling and application in various scenarios.

Question 2

Analyze how molecular size could influence the physical properties of covalent compounds, particularly related to volatility and melting point.

💡 Hint: Think about how the structure might change with size.

Challenge and get performance evaluation