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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the valency of Hydrogen?
💡 Hint: Go back to the list of common valencies.
Question 2
Easy
Calcium has a valency of ?
💡 Hint: Think of its position in the periodic table.
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 Oxygen?
- 1
- 2
- 3
💡 Hint: Refer back to the table of common valencies.
Question 2
True or False: The criss-cross method can be used for all compounds.
- True
- False
💡 Hint: Think about the types of bonding.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If you have a solution that contains Aluminum with a valency of 3 and Oxygen with a valency of 2, write the formula for Aluminum Oxide.
💡 Hint: Remember to balance the charges when forming compounds.
Question 2
How would you write the formula for a compound made of Potassium (valency 1) and Phosphate (valency 3)?
💡 Hint: Don’t forget that phosphate is a polyatomic ion!
Challenge and get performance evaluation