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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 Carbon?
💡 Hint: Think of the first letter of the element's name.
Question 2
Easy
How many atoms are in a monoatomic element?
💡 Hint: Mono means one.
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 chemical symbol for Sodium?
- Na
- S
- So
💡 Hint: Think of what 'Na' comes from.
Question 2
True or False: Valency indicates the number of protons in an atom.
- True
- False
💡 Hint: Consider what makes atoms bond together.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given that nitrogen has a valency of 3 and oxygen has a valency of 2, write the chemical formula for nitrogen oxide.
💡 Hint: Use the criss-cross method for balancing the charges.
Question 2
Describe how you would balance the equation for the combustion of propane (C₃H₈) in oxygen.
💡 Hint: Start by balancing carbon, then hydrogen, and finally oxygen.
Challenge and get performance evaluation