9.1 - Introduction to Hydrogen
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 atomic number of hydrogen?
💡 Hint: It's the first element in the periodic table.
What is the diatomic form of hydrogen called?
💡 Hint: It consists of two hydrogen atoms.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the atomic mass of hydrogen?
💡 Hint: Refer to its position in the periodic table.
True or False: Hydrogen exists freely in Earth's atmosphere.
💡 Hint: Think about the properties of gases in the atmosphere.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given that hydrogen can exist as H₂, describe the implications of this for its reactivity with other elements.
💡 Hint: Think about how bonding affects reactivity.
How might the absence of free hydrogen in the atmosphere affect its potential as a fuel source?
💡 Hint: Consider the practicality of fuel usage based on elemental availability.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.