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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the Periodic Law?
💡 Hint: Think about how elements are related through their atomic numbers.
Question 2
Easy
What direction do atomic radii increase?
💡 Hint: Consider the relationship with electron shells.
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 does the Periodic Law state?
- Properties are random
- Properties vary by atomic mass
- Properties vary by atomic number
💡 Hint: Focus on how elements correspond to their atomic number.
Question 2
Does atomic radius increase or decrease across a period?
- True
- False
💡 Hint: Think about how electrons are held closer to the nucleus.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Using the Periodic Table, analyze the electron affinity of Chlorine and compare it to that of Iodine. What difference would you expect and why?
💡 Hint: Consider how size relates to attraction of incoming electrons.
Question 2
Predict the trends of metallic character in the alkali metals comparing Lithium, Sodium, and Potassium. Explain how this relates to their ionization energies.
💡 Hint: Think about the balance between atomic size and nuclear charge as you progress down the group.
Challenge and get performance evaluation