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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the valency of oxygen?
💡 Hint: Think about how many bonds oxygen can form.
Question 2
Easy
Name a positive radical.
💡 Hint: It has a positive charge.
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 valency of nitrogen?
- 2
- 3
- 4
💡 Hint: Think about how nitrogen bonds in compounds.
Question 2
True or false: Radicals can only be positive.
- True
- False
💡 Hint: Consider examples of both cations and anions.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write the formulas for ammonium sulfate (NH₄)₂SO₄ using the criss-cross method.
💡 Hint: Consider the valencies of ammonium and sulfate.
Question 2
Explain why Na₂O is formed instead of NaO.
💡 Hint: Think about charge balance between the ions.
Challenge and get performance evaluation