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 an atom.
💡 Hint: Think about the basic building block of matter.
Question 2
Easy
What is a molecule?
💡 Hint: Consider how water is made up of hydrogen and oxygen.
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 an ion?
- A neutral atom
- A charged atom
- An unstable molecule
💡 Hint: Consider what happens to electrons.
Question 2
True or False: All atoms can exist independently in nature.
- True
- False
💡 Hint: Think about how atoms interact to form molecules.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Explain how the presence of ions in a solution affects its conductivity. Provide an example.
💡 Hint: Consider the role of charged particles in electrical flow.
Question 2
A molecule of ethylene (C₂H₄) consists of how many atoms in total? Explain your calculations.
💡 Hint: Remember to count all participating atoms in the molecule.
Challenge and get performance evaluation