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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the electron configuration for Fluorine?
💡 Hint: Count the total number of electrons for Fluorine.
Question 2
Easy
What trend is observed in atomic radius as you move across Period 2?
💡 Hint: Consider the increasing number of protons.
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 electron configuration of Sodium?
- 1s² 2s² 2p⁶ 3s¹
- 1s² 2s² 3s¹
- 1s² 2s² 2p² 3s²
💡 Hint: Sodium is in Period 3; think about filling order.
Question 2
Which element has the highest effective nuclear charge in Period 2?
- Boron
- Oxygen
- Neon
💡 Hint: Look at the position of the elements.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Explain the significance of electron configurations in predicting elemental properties. How would changes to the electronic structure affect reactivity?
💡 Hint: Consider examples of noble gases as stable structures.
Question 2
Compare and contrast the atomic radius of elements in Period 2 and Period 3. What factors account for these differences?
💡 Hint: Think about the impact of additional electron shells.
Challenge and get performance evaluation