MhChem Chemistry with Dr. Michael Russell

Chemistry 221 L1 Video Lecture from October 23, 2026. This video covers Chapter 4 including violations of the octet rule with Lewis Structures, formal charges, paramagnetic Lewis structures, VSEPR, electron pair geometry and molecular geometry, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!

This is the video introduction to Chapter Guide Four for Chemistry 221.

A screencast from Chapter 4 in CH 221 entitled “Ionic versus Covalent Bonds”

A screencast from Chapter 4 in CH 221 entitled “Electronegativity”

A screencast from Chapter 4 in CH 221 entitled “The Lewis Structure”

A screencast from Chapter 4 in CH 221 entitled “Violations of the Octet Rule”

A screencast from Chapter 4 in CH 221 entitled “Paramagnetism and Formal Charges”

A screencast from Chapter 4 in CH 221 entitled “VSEPR”

A screencast from Chapter 4 in CH 221 entitled “Polarity"

This the Complete Lecture for Chapter 4. This episode is part 1 of 2 episodes.