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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the valency of an element with 1 valence electron?
💡 Hint: Think about the definition of valency.
Question 2
Easy
If an element has 8 electrons in its outer shell, what is its valency?
💡 Hint: Consider the inert gases.
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
- 4
💡 Hint: Remember the calculation rule for valency.
Question 2
Valency is determined by the number of what?
- True
- False
💡 Hint: Think about the outer shell of an atom.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
How would knowing the valency of an element help in determining its chemical formula when forming compounds?
💡 Hint: Consider how you would write the formula for water or carbon dioxide.
Question 2
Predict the formula formed by combining Na (valency 1) and Cl (valency 1). Explain your reasoning.
💡 Hint: Think about how many of each type of atom are needed for balance.
Challenge and get performance evaluation