Chemistry 221 Audio Lecture from October 11, 2017 covering material from Chapter 2 part II of our textbook including nomenclature of compounds, Coulomb's law, and more. https://mhchem.org/221/classroom/zAudio/101117Chemistry221AudioLecture.mp3

Chemistry 221 Video Lecture from October 9, 2017 covering material from Chapter 2 part I and part II of our textbook including the definition of a compound, types of formulas for compounds, and more. https://mhchem.org/221/classroom/zAudio/100917Chemistry221VideoLecture.m4v

Chemistry 221 Audio Lecture from October 9, 2017 covering material from Chapter 2 part I and part II of our textbook including the definition of a compound, types of formulas for compounds, and more. https://mhchem.org/221/classroom/zAudio/100917Chemistry221AudioLecture.mp3

Chemistry 221 Video Lecture from October 6, 2017 covering material from Chapter 2 part I of our textbook including molar mass, the mole, groups on the periodic table, and more. https://mhchem.org/221/classroom/zAudio/100617Chemistry221VideoLecture.m4v

Chemistry 221 Audio Lecture from October 6, 2017 covering material from Chapter 2 part I of our textbook including molar mass, the mole, groups on the periodic table, and more. https://mhchem.org/221/classroom/zAudio/100617Chemistry221AudioLecture.mp3

This is the audio introduction to Chapter Guide Lesson Two (which covers the first portion of Chapter Two in our textbook) for Chemistry 221. https://mhchem.org/221/classroom/zAudio/Ch02.mp3

This is the video introduction to Chapter Guide Lesson Two (which covers the first portion of Chapter Two in our textbook) for Chemistry 221. https://mhchem.org/221/classroom/zAudio/CH221CG02.mp4

A screencast from Chapter 2 Part 1 in CH 221 which introduces the mole, the important counting number for chemists. https://mhchem.org/221/classroom/zAudio/Ch02TheMole.mp4

A screencast from Chapter 2 Part 1 in CH 221 which examines the periodic table, the most important cheat cheat ever created! *smiles* :) https://mhchem.org/221/classroom/zAudio/Ch02PeriodicTable.mp4

Chemistry 221 Video Lecture from October 4, 2017 covering material from Chapter 2 part I of our textbook including the history of chemistry, atomic numbers, isotopes, the mass number, and more. https://mhchem.org/221/classroom/zAudio/100417Chemistry221VideoLecture.m4v