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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the chemical symbol for Oxygen?
💡 Hint: Think of its name.
Question 2
Easy
What does valency refer to?
💡 Hint: It's about how many bonds an atom can form.
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 symbol for Sodium?
- Na
- S
- So
💡 Hint: Think about its Latin name.
Question 2
True or False: Radicals can be charged groups of atoms.
- True
- False
💡 Hint: Recall our definition of radicals.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If the chemical equation is given as C + O₂ → CO₂, how do you balance it?
💡 Hint: Count the atoms on both sides carefully.
Question 2
A compound consists of one Aluminium atom and three Oxygen atoms. Write its empirical formula.
💡 Hint: Use the criss-cross method to write the formula.
Challenge and get performance evaluation