5.1 - Introduction
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
What is the atomicity of O₂?
💡 Hint: Think about how many oxygen atoms are in the molecule.
Write the chemical symbol for Sodium.
💡 Hint: Recall the periodic table symbols.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the symbol for Chlorine?
💡 Hint: Recall that symbols start with a capital letter.
Is the atomicity of water H₂O monoatomic?
💡 Hint: Remember how many atoms make up water.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Create a balanced equation for the combustion of propane (C₃H₈) in oxygen. What are the products?
💡 Hint: You'll need to balance the carbon and hydrogen first.
Determine the chemical composition and write the formula for Magnesium Sulphate based on their valencies.
💡 Hint: Use the criss-cross method to write the formula.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.