1.7.2 - Average Atomic Mass
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
Define the term isotope.
💡 Hint: Think about what makes elements behave differently.
What is average atomic mass?
💡 Hint: Consider how weights might be applied to different quantities.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the average atomic mass?
💡 Hint: Think about how averages work!
Is the average atomic mass the same as the mass number?
💡 Hint: Reflect on definitions of both terms.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Calculate the average atomic mass of silicon, which has four isotopes: 28Si (97.3%), 29Si (1.1%), 30Si (0.7%). Give answers in atomic mass units.
💡 Hint: Use the same process as with carbon's isotopes!
Explain why knowing the average atomic mass is crucial for finding molecular weights in chemical reactions?
💡 Hint: Remember how precise amounts affect reactions.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.