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
Define electronegativity.
💡 Hint: Think about how strongly an atom pulls on electrons.
Question 2
Easy
What characterizes a polar covalent bond?
💡 Hint: Consider the electronegativity difference between two atoms.
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 does electronegativity measure?
- A. Atomic mass
- B. Atomic radius
- C. Attraction of electrons
- D. Chemical reactivity
💡 Hint: Consider what property relates to how atoms interact with electrons.
Question 2
True or False: A bond with a Δχ > 1.7 is considered ionic.
- True
- False
💡 Hint: Recall the cutoff values for bond classification.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given the electronegativities of the elements: C (2.55), O (3.44). Determine the bond type and discuss the implications on molecular properties.
💡 Hint: Think about how Δχ influences molecular interactions.
Question 2
Analyze the dipole moment of the molecule CH₃Cl and determine its polarity.
💡 Hint: Consider the geometry of the molecule and how the dipole moments add.
Challenge and get performance evaluation