2.6.1 - Principal Quantum Number (n) and Energy Levels
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 maximum number of electrons in n = 3?
💡 Hint: Use the formula 2n².
Define the principal quantum number (n).
💡 Hint: Think about how it correlates to distance from the nucleus.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula to calculate the maximum number of electrons in an energy level?
💡 Hint: Think about how the number of electrons increases with n.
True or False: The azimuthal quantum number can be greater than the principal quantum number.
💡 Hint: ℓ depends on n.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Calculate and compare the maximum number of electrons in the n = 3 and n = 4 energy levels, and discuss the implications of this for chemical reactivity.
💡 Hint: Revisit the formula 2n².
Explain how knowledge of 'n' and 'ℓ' can influence predictions about an element's bonding characteristics.
💡 Hint: Think about how the shape of orbitals affects overlapping during bonding.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.