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 radii as you move from left to right across a period?
💡 Hint: Consider the effect of nuclear charge.
Question 2
Easy
How do ionic radii compare between cations and anions?
💡 Hint: Think about the loss or gain of electrons.
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 generally happens to ionization energy as you move left to right across a period?
- Decreases
- Increases
- Stays the same
💡 Hint: Consider how electrons are held in the atoms.
Question 2
True or False: Electron gain enthalpy becomes less negative down a group.
- True
- False
💡 Hint: Think about distance from nucleus.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Predict the chemical behavior of lithium and fluorine based on their positions in the periodic table.
💡 Hint: Consider the ionization and electron gain enthalpy.
Question 2
How would the acidity of oxides formed by elements in group 14 change from carbon to lead?
💡 Hint: Think about the metallic character and bonding.
Challenge and get performance evaluation