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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a radical?
💡 Hint: Think about groups that are positively or negatively charged.
Question 2
Easy
Name a positive radical.
💡 Hint: Remember the + 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
Which of the following is a cation?
- Na⁻
- K⁺
- Cl⁻
💡 Hint: Cations have a positive charge.
Question 2
True or False: Radicals always have neutral charges.
- True
- False
💡 Hint: Consider what we define as a radical.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
How would you balance a formula involving Ammonium and Sulphate? Write the final compound.
💡 Hint: Think about how many of each ion you need to equalize the charge.
Question 2
A compound is formed with Calcium (Ca²⁺) and Carbonate (CO₃²⁻). What is its chemical formula?
💡 Hint: How do the charges stack up?
Challenge and get performance evaluation