CHEM 121
University of British Columbia (UBC )
Here are the best resources to pass CHEM 121. Find CHEM 121 study guides, notes, assignments, and much more.
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Class notes
Class notes CHEM 121: Chapter 10
This chapter discusses colors and conjugate systems. This includes knowledge of pi bonds, molecular orbitals, atomic orbitals and electromagnetic spetrum
Class notes
Class notes CHEM 121: Chapter 8
PopularThis chapter relates back to chapter 2 (lewis structures) and Chapter 7 (electronic configuration). We study how some molecules are able to have double bonds and why some can’t create double bonds.
Class notes
Struggling to keep up with CHEM 121? This ultimate Semester 1 study guide breaks down everything you need to ace your first university chemistry course – without drowning in textbooks. 
 
What’s inside: 
 
 Atomic Structure to Quantum Mechanics – explained clearly for fast understanding 
 Bonding, Shapes, Polarity & Orbitals – with diagrams & step-by-step examples 
 MO Theory vs. VBT – so you finally know which one to use and when 
 Intermolecular Forces, Periodic Trends, Thermo, Light...
Class notes
Class notes CHEM 121: Chapter 11
This chapter goes in depth about intermolecular forces (Van der Waals forces). In relates melting points, boiling points, atomic radius and charge to the strength of the forces.
Class notes
Class notes CHEM 121: Chapter 12
Introduction to Organic Chemistry
Class notes
Class notes CHEM 121: Chapter 9
This chapter shows how hybrid orbitals look like, energy of hybrid orbitals, how to sketch Valence Bond Diagrams and Orbital Overlap Diagrams
Class notes
Class notes CHEM 121: Chapter 7
This chapter focuses on multi-electron theory instead of just one. We see how z effective effects where the position of an electron is located and thus the size of the atom.
Class notes
Class notes CHEM 121 : Chapter 6
In relation to the previous chapters, we now look at how electrons move between shells and how energy changes (emission or absorption)
Class notes
Class notes CHEM 121: Chapter 5
This chapter goes into depth about each orbital characteristic. S,P,D and F…
Class notes
Class notes CHEM 121: Chapter 4
Chapter 4 discusses about Quantum theory…Quantum numbers such as principles numbers, spin numbers, angular momentum numbers and etc…
Class notes
Class notes CHEM 121 (CHEM)
Detailed notes of UBC’s CHEM121 class for the 2022W term. This course was taught by Dr Stirchak and in these contains tips and notes advised by the instructor.
Class notes
Lewis Structures
Chemistry 121: Structure and Bonding in Chemistry 
 
This chapter focuses on how to draw lewis structures and resonance structures