Practice Conduct Electricity When Molten or Dissolved - 4.2.4.3 | Chemical Bonding: Why Atoms Stick Together | IB MYP Grade 8 Chemistry
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4.2.4.3 - Conduct Electricity When Molten or Dissolved

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Why don't solid ionic compounds conduct electricity?

💡 Hint: Think about the movement of the ions.

Question 2

Easy

What happens to ionic compounds when they are melted?

💡 Hint: What does melting do to a solid structure?

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

Do solid ionic compounds conduct electricity?

  • True
  • False

💡 Hint: Consider the structure of solid ionic compounds.

Question 2

What happens to an ionic compound when it is dissolved in water?

  • It forms a solid
  • The ionic lattice breaks apart
  • allowing ions to move
  • It remains unchanged

💡 Hint: Think about solubility and ion interaction with water.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If you have a solid ionic compound and heat it to its melting point, describe the changes at the molecular level and explain how these contribute to conductivity.

💡 Hint: Consider the effects of temperature on ion mobility.

Question 2

Consider a hypothetical ionic compound that does not dissolve in water. How might its conductivity compare to a compound that does dissolve? Explain your reasoning.

💡 Hint: Think about the role of ion mobility in solutions.

Challenge and get performance evaluation