CHEM 121
UBC
Course Overview
Grade Boosters
Lessons & Practice
I. Welcome
1 min1. Chemical Bonding and Lewis Structures
3hr2. Shapes and Polarity of Chemical Species
1.1hr3. Fundamentals of Quantum Mechanics
4hr4. Electronic Structure of Atoms and Ions
2.6hr5. Interactions Between Light and Matter
1.2hr6. Multi-Electron Species and Periodic Properties
2.1hr6.3.1. Ionization Energy 5 min6.3.2. Comparing 1st, 2nd, and 3rd Ionization Energies9 min6.3.3. Practice2 min6.3.4. Practice2 min6.3.5. Practice5 min6.3.6. Exceptions to Periodic Trends Introduction3 min6.3.7. Exceptions to Periodic Trends Examples10 min6.3.8. Exceptions to Periodic Trends Summary2 min6.3.9. Example3 min6.3.10. Practice4 min
7. Introduction to Molecular Orbital Theory
1.4hr7.1.1. Molecular Orbital Theory Introduction3 min7.1.2. How to Draw MO Diagrams for Homonuclear Diatomics8 min7.1.3. Example: Molecular Orbitals of Li2 min7.1.4. Example: Molecular Orbitals of HeH3 min7.1.5. Practice: Diamagnetic Diatomics2 min7.1.6. Practice: MO Orbitals Problem2 min7.1.7. Practice: Molecular orbital (Challenging Problem)
7.3.1. Example: MO Diagrams of 2s Block Molecules2 min7.3.2. MO Diagrams of 2p Block Molecules10 min7.3.3. s-p Mixing in MO Diagrams6 min7.3.4. Example: MO Diagrams with s-p Mixing5 min7.3.5. MO Diagrams without s-p Mixing - Example Problem4 min7.3.6. Practice Question: MO Diagrams of Homonuclear Diatomics6 min7.3.7. Practice Question: MO Diagrams of Neutral and Ionic Diatomics4 min
8. Introduction to Valence Bond Theory (Hybridization)
1.8hr8.5.1. sp3 Hybridization8 min8.5.2. sp3 Hybridization - Example Problem4 min8.5.3. sp2 Hybridization3 min8.5.4. sp2 Hybridization - Example Problem2 min8.5.5. sp Hybridization2 min8.5.6. sp Hybridization - Example Problem2 min8.5.7. Unhybridized p Orbitals7 min8.5.8. Unhybridized p Orbitals - Example Problem4 min8.5.9. dsp3 and d2sp3 Hybridization3 min8.5.10. dsp3 Hybridization - Example Problem2 min8.5.11. d2sp3 Hybridization - Example Problem2 min8.5.12. Practice Question: Hybridization with d Orbitals3 min
9. Conjugated Systems and Chemical Origins of Colour
15min10. Physical Properties and Chemical Reactivity
2hr11. Line Bond Structures, Intro to Polymers, and Polymer Synthesis
28minME.4 Midterm 2 - Mock Assessment
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