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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is atomic radius?
💡 Hint: Think about how we define the boundary of an atom.
Question 2
Easy
Does atomic radius increase or decrease across a period?
💡 Hint: Consider the effect of protons in the nucleus.
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 atomic radius?
- The distance from nucleus to the first electron shell
- The distance from nucleus to outermost electron
- The width of the nucleus
💡 Hint: Think about where the outermost electron is located.
Question 2
As you move from left to right across a period, does the atomic radius?
- True
- False
💡 Hint: Remember how nuclear attraction affects electron placement.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider two elements, fluorine (F) and chlorine (Cl). Compare their atomic radii and explain your reasoning based on periodic trends.
💡 Hint: Recall how the position in the periodic table affects the atomic size.
Question 2
How does the concept of atomic radii help in understanding the reactivity of elements in the periodic table?
💡 Hint: Link size to electron affinity and ionization energy.
Challenge and get performance evaluation