A screencast from Chapter 6 in CH 221 which introduces quantum mechanics and the quantum numbers. https://mhchem.org/221/classroom/zAudio/Ch07IntroQNum.mp4

A screencast from Chapter 6 in CH 221 which looks at the types of orbitals found in atoms and how that affects electron composition. https://mhchem.org/221/classroom/zAudio/Ch07TypesOfOrbitals.mp4

A screencast from Chapter 6 in CH 221 which looks at the fourth quantum number, the spin quantum number. https://mhchem.org/221/classroom/zAudio/Ch08ElectronSpin.mp4

A screencast from Chapter 6 in CH 221 that looks at the n + l rule, which governs the placement of electrons in atoms. https://mhchem.org/221/classroom/zAudio/Ch08nPlusL.mp4

A screencast from Chapter 6 in CH 221 which examines how electrons are assigned to atoms. https://mhchem.org/221/classroom/zAudio/Ch08DistributingElectrons.mp4

A screencast from Chapter 6 in CH 221 which provides examples of how to assign electrons to atoms. https://mhchem.org/221/classroom/zAudio/Ch08ElectronConfigurations.mp4

A screencast from Chapter 6 in CH 221 which provides examples of how to assign electrons to ions. https://mhchem.org/221/classroom/zAudio/Ch08MakingIons.mp4

This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 221. https://mhchem.org/221/classroom/zAudio/CH221CGE2.mp4

This is the audio introduction to Chapter Guide Lesson Five (which covers Chapters Three through Five in our textbook) for Chemistry 221. https://mhchem.org/221/classroom/zAudio/Ch05.mp3

This is the video introduction to Chapter Guide Lesson Five (which covers Chapters Three through Five in our textbook) for Chemistry 221. https://mhchem.org/221/classroom/zAudio/CH221CG05.mp4