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 trend occurs in atomic radius as you move from left to right across a period?
💡 Hint: Consider the effect of nuclear charge.
Question 2
Easy
How does electronegativity change down a group?
💡 Hint: Think about the distance from 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 happens to the atomic radius as you move down a group?
- It decreases
- It increases
- It stays the same
💡 Hint: Think about the layers of electrons.
Question 2
True or False: Electronegativity increases as you move down a group.
- True
- False
💡 Hint: Reflect on the distance from the nucleus.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A chemist wants to compare the ionization energies of sodium (Na) and chlorine (Cl). What would you predict? Explain your reasoning.
💡 Hint: Consider their positions in the periodic table and the concept of nuclear attraction.
Question 2
If you have a group of elements from group 1 and group 17, how does their metallic character differ? Provide a detailed comparison.
💡 Hint: Reflect on how each group behaves during chemical reactions.
Challenge and get performance evaluation