Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens to atomic radius as you move across a period?
💡 Hint: Think about the effect of protons on electron attraction.
Question 2
Easy
What defines an anion's ionic radius compared to its atomic radius?
💡 Hint: Consider how gaining electrons affects size.
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 happens to atomic radius across a period?
- Increases
- Decreases
- Stays the same
💡 Hint: Think about the effect of protons.
Question 2
True or False: Anionic radius is smaller than its atomic radius.
- True
- False
💡 Hint: How do electrons affect size?
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Predict the changes in atomic radius and ionization energy if magnesium (Mg) is replaced with calcium (Ca) in group 2.
💡 Hint: Consider the effect of extra shells.
Question 2
Explain why chlorine has a more negative electron gain enthalpy than fluorine.
💡 Hint: Reflect on charge interactions in size differences.
Challenge and get performance evaluation