Greetings to the Winter 2025 Chemistry 222 class! This is a personal message from your instructor, Dr. Michael Russell.... welcome to this exciting term, and let me know if you have any questions! The best method to get in touch with me is through email: mike.russell@mhcc.edu Our CH 222 website: https://mhchem.org/222 Our Discord server for CH 222:…

This is the audio introduction to Chapter Guide Lesson One (which covers Chapter Seven in our textbook) for Chemistry 222.Από τον Michael Russell

This is the video introduction to Chapter Guide Lesson One (which covers Chapter Seven in our textbook) for Chemistry 222.Από τον Michael Russell

A screencast from Chapter 7 in CH 222 which provides an overview of the two main bonding types (ionic and covalent) in chemistry.Από τον Michael Russell

A screencast from Chapter 7 in CH 222 which looks at bonding pairs and lone pairs in chemistry.Από τον Michael Russell

A screencast from Chapter 7 in CH 222 which discusses Lewis structures and their usefulness in chemistry.Από τον Michael Russell

A screencast from Chapter 7 in CH 222 which looks at pi bonds in Lewis structures.Από τον Michael Russell

A screencast from Chapter 7 in CH 222 which discuses Formal charges and how they help us predict the most stable resonance form.Από τον Michael Russell

A screencast from Chapter 7 in CH 222 which looks at VSEPR theory and how it can help us determine bond angles, etc.Από τον Michael Russell

A screencast from Chapter 7 in CH 222 which examines the relationship between bond order and bond length.Από τον Michael Russell

A screencast from Chapter 7 in CH 222 which examines the relationship between bond order and bond energy (and bond length as well).Από τον Michael Russell

A screencast from Chapter 7 in CH 222 which looks at the effect of electronegativity on bond polarity.Από τον Michael Russell

A screencast from Chapter 7 in CH 222 which investigates the polarity of a molecule using the polarities of individual bonds.Από τον Michael Russell

This the Complete Lecture for Chapter 7. This episode is part 1 of 2 episodes.Από τον Michael Russell

This the Complete Lecture for Chapter 7. This episode is part 2 of 2 episodes.Από τον Michael Russell

Chemistry 221 Video Lecture from December 6, 2024. This video covers Day 2 of an Exam Review for the upcoming Final Lecture Exam. We also had two student presentations at the beginning.... very cool! CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!Από τον mike.russell@mhchem.org

This the Final Exam Review Complete Lecture (Part 1 of 1 files.)Από τον Michael Russell

Chemistry 221 Video Lecture from December 4, 2024. This video covers Day 1 of an Exam Review for the upcoming Final Lecture Exam. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!Από τον mike.russell@mhchem.org

This video offers a few tips and tricks on how to prepare for the lecture final exam and the lab final exam in CH 221.Από τον Michael Russell

Chemistry 221 Video Lecture from December 2, 2024. This video covers material from Chapter 6 Part II including electron configurations of ions (cations and anions), the periodic trends (size of atoms, size of ions, ionization energy and electron affinity) and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…

Chemistry 221 Video Lecture from November 25, 2024. This video covers material from Chapter 6 Part II including examples of filling electrons in neutral atoms, the usefulness of the n+l rule and Aufbau diagrams, Hund's rule, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…

This is the audio introduction to Chapter Guide Lesson Six (which covers Chapter Six in our textbook) for Chemistry 221.Από τον Michael Russell

This is the video introduction to Chapter Guide Lesson Six (which covers Chapter Six in our textbook) for Chemistry 221.Από τον Michael Russell

A screencast from Chapter 6 in CH 221 which introduces electromagnetic radiation (wavelength, frequency, node, etc.)Από τον Michael Russell

A screencast from Chapter 6 in CH 221 which examines the relationship between frequency and wavelength (namely the speed of light).Από τον Michael Russell

A screencast from Chapter 6 in CH 221 which examines Planck's equation relating the energy of a photon to the frequency.Από τον Michael Russell

A screencast from Chapter 6 in CH 221 which looks at Bohr's analysis of sharp line spectra and how it helped develop the modern theory of the atom.Από τον Michael Russell

A screencast from Chapter 6 in CH 221 that talks about Bohr's theory in greater detail, including its strengths and disadvantages.Από τον Michael Russell

A screencast from Chapter 6 in CH 221 which introduces three of the great minds of quantum chemistry and how their work affects the current model of the atom.Από τον Michael Russell

A screencast from Chapter 6 in CH 221 which introduces quantum mechanics and the quantum numbers.Από τον Michael Russell

A screencast from Chapter 6 in CH 221 which looks at the types of orbitals found in atoms and how that affects electron composition.Από τον Michael Russell

A screencast from Chapter 6 in CH 221 which looks at the fourth quantum number, the spin quantum number.Από τον Michael Russell

A screencast from Chapter 6 in CH 221 which examines how electrons are assigned to atoms.Από τον Michael Russell

A screencast from Chapter 6 in CH 221 that looks at the n + l rule, which governs the placement of electrons in atoms.Από τον Michael Russell

A screencast from Chapter 6 in CH 221 which provides examples of how to assign electrons to atoms.Από τον Michael Russell

A screencast from Chapter 6 in CH 221 which provides examples of how to assign electrons to ions.Από τον Michael Russell

A screencast from Chapter 6 in CH 221 which talks about methods to estimate the sizes of atoms and ions using the periodic table.Από τον Michael Russell

A screencast from Chapter 6 in CH 221 which looks at Ionization Energy and Electron Affinity trends using the periodic table.Από τον Michael Russell

This the Complete Lecture for Chapter 6 Part I. This episode is part 1 of 2 episodes.Από τον Michael Russell

This the Complete Lecture for Chapter 6 Part I. This episode is part 2 of 2 episodes.Από τον Michael Russell

This the Complete Lecture for Chapter 6 Part II. This episode is part 1 of 2 episodes.Από τον Michael Russell

This the Complete Lecture for Chapter 6 Part II. This episode is part 2 of 2 episodes.Από τον Michael Russell

Chemistry 221 Video Lecture from November 22, 2024. This video covers material from Chapter 6 Part I and Part II including an example of quantum numbers on the n=3 shell, paramagnetism and diamagnetism, the Pauli Exclusion principle, the n + l rule, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…

Chemistry 221 Video Lecture from November 20, 2024. This video covers material from Chapter 6 Part I including the Heisenberg Uncertainty principle, the four quantum numbers, nl notation and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!Από τον mike.russell@mhchem.org

Chemistry 221 Video Lecture from November 18, 2024. This video covers material from Chapter 6 Part I including the Bohr model of the atom, sharp line spectra, absorption and emission, the de Broglie wave equation, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…

Chemistry 221 Video Lecture from November 15, 2024. This video covers material from Chapter 6 Part I including the electromagnetic spectrum, frequency, wavelength, the speed of light, Planck’s constant, the photoelectric effect, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…

This video offers a few tips and tricks on how to prepare for the Class Presentations in CH 221.Από τον Michael Russell

Chemistry 221 Video Lecture from November 13, 2024. This video covers Day 2 of an Exam Review for the upcoming Midterm Exam II. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!Από τον mike.russell@mhchem.org

Chemistry 221 Video Lecture from November 8, 2024. This video covers Day 1 of an Exam Review for the upcoming Midterm Exam II. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!Από τον mike.russell@mhchem.org

This video shows the Complete Lecture for the Exam II Review in CH 221.Από τον Michael Russell