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 are halogens?
💡 Hint: Think about the periodic table position.
Question 2
Easy
Name a compound formed by nitrogen and halogen.
💡 Hint: Consider the bond with fluorine.
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 main reason nitrogen does not form pentahalides?
- Sufficient d-orbitals
- Absence of d-orbitals
- High reactivity
💡 Hint: Remember the atomic structure of nitrogen.
Question 2
True or False: All group 15 elements can form pentahalides.
- True
- False
💡 Hint: Think about the limitations of nitrogen.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Propose a reaction between phosphorus and chlorine. What products would you expect?
💡 Hint: Use the periodic trends and oxidation states.
Question 2
Describe the potential implications of nitrogen's inability to form pentahalides in chemical processes.
💡 Hint: Think about real-life applications or chemistry in industry.
Challenge and get performance evaluation