1.7 - Atomic and Molecular Masses
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
Calculate the atomic mass of neon (Ne) given that it has an atomic mass of 20.18.
💡 Hint: Refer to the periodic table for atomic masses.
What is the molecular mass of carbon dioxide (CO2)?
💡 Hint: Remember to sum the contributions of each atom.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is atomic mass primarily determined relative to?
💡 Hint: Think about the periodic table and how elements are standardized.
True or False: The molecular mass of NaCl is the same as its formula mass.
💡 Hint: Consider how ions in ionic compounds are treated.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
Consider an element with isotopes of 90% 12C and 10% 13C. Calculate its average atomic mass.
💡 Hint: Remember, multiply the abundance by the respective atomic mass.
If 4 moles of sulfuric acid (H2SO4) are reacted, how many grams of the acid are involved?
💡 Hint: Use the formula mass you’ve calculated.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.