CHEM 201

U of C

Course Overview

Grade Boosters

Lessons & Practice

I. Welcome

1. Electron wave functions, orbitals, & electron configuration

3hr

1.1.1. Wave-particle duality and the energy of photons3 min

1.1.2. Wave-particle duality and the energy of photons2 min

1.2.1. The Bohr Model and Atomic Line Spectra5 min

1.2.2. Atomic Line Spectra2 min

1.3.1. Quantum Numbers11 min

1.3.2. Quantum Numbers Cheatsheet

1.3.3. Example3 min

1.3.4. Example5 min

1.3.5. Example1 min

1.4.1. Relative Energies of Atomic Orbitals11 min

1.4.2. Rules for Orbital Filling10 min

1.4.3. Example2 min

1.4.4. Example1 min

1.4.5. Practice2 min

1.5.1. Shapes (aka Boundary Diagrams) of Atomic Orbitals7 min

1.5.2. Drawing Atomic Orbitals7 min

1.5.3. Example3 min

1.6.1. Angular and Radial Nodes10 min

1.6.2. Wave Properties of Electrons4 min

1.6.3. Plotting Radial Electron Probability8 min

1.6.4. Example3 min

1.6.5. Example3 min

1.6.6. Example2 min

1.7.1. Electronic Configurations of Atoms11 min

1.7.2. Electron Configuration Cheatsheet

1.7.3. Electron Configuration Exceptions5 min

1.7.4. Example3 min

1.7.5. Example3 min

1.8.1. Electron Configurations of Ions of Main Group Elements9 min

1.8.2. Electron Configuration of Ions of Transition Elements2 min

1.8.3. Example5 min

1.8.4. Example5 min

1.9.1. Diamagnetic Vs Paramagnetic 7 min

1.9.2. Example8 min

1.10.1. Ground State Vs Excited State Electron Configurations6 min

1.10.2. Example2 min

1.10.3. Practice4 min

1.Q. Checkpoint Quiz8 Qns

2. Periodic Properties

2hr

2.1.1. The Periodic Table of Elements9 min

2.1.2. Practice2 min

2.2.1. Effective Nuclear Charge 9 min

2.2.2. Example1 min

2.2.3. Practice2 min

2.3.1. Atomic Radius7 min

2.3.2. Atomic Radius Theory7 min

2.3.3. Example2 min

2.3.4. Example3 min

2.4.1. Ionization Energy 5 min

2.4.2. Comparing 1st, 2nd, and 3rd Ionization Energies9 min

2.4.3. Practice2 min

2.4.4. Practice2 min

2.4.5. Practice5 min

2.5.1. Electron Affinity 10 min

2.5.2. Example2 min

2.5.3. Practice2 min

2.5.4. Practice4 min

2.6.1. Periodic Trends Theory2 min

2.6.2. Example5 min

2.6.3. Practice4 min

2.6.4. Practice7 min

2.6.5. Practice2 min

2.7.1. Exceptions to Periodic Trends Introduction3 min

2.7.2. Exceptions to Periodic Trends Examples10 min

2.7.3. Exceptions to Periodic Trends Summary2 min

2.7.4. Example3 min

2.Q. Checkpoint Quiz5 Qns

3. Molecular Structures in 2D - Ionic and Covalent bonding

31min

3.I. Chapter Intro4 min

3.1.1. Introduction to Intramolecular Bonds & Electronegativity4 min

3.1.2. Types of Intramolecular Bonds14 min

3.1.3. Example2 min

3.1.4. Example6 min

3.Q. Checkpoint Quiz4 Qns

4. Molecular Structures in 2D - Lewis Structures & Resonance Structures

1.4hr

4.1.1. Drawing Lewis Structures 17 min

4.1.2. Example11 min

4.1.3. Example7 min

4.2.1. Chemical Reactions49 sec

4.3.1. Properties of Covalent Bonds11 min

4.3.3. Practice4 min

4.4.1. Resonance Structures Theory7 min

4.4.2. Equivalent Vs Non-Equivalent Resonance Structures5 min

4.4.3. Example7 min

4.4.4. Example13 min

4.Q. Checkpoint Quiz7 Qns

5. Molecular Structures in 3D

1.2hr

5.1.1. VSEPR Theory20 min

5.1.2. Example10 min

5.1.3. Example6 min

5.1.4. VSEPR and Molecular Shapes Cheatsheet

5.2.1. Molecular Representations1 min

5.2.2. Isomerism Theory8 min

5.2.3. Isomerism Questions6 min

5.3.1. Electronegativity 4 min

5.3.2. Review of Polar Covalent Bonds

5.3.3. Molecular Polarity 8 min

5.3.4. Example47 sec

5.3.5. Example8 min

5.Q. Checkpoint Quiz6 Qns

6. Advanced Bonding Theories

56min

6.1.1. Valence Bond Theory3 min

6.1.2. Hybridization and σ and π bonds10 min

6.1.3. σ and π Frameworks9 min

6.1.4. Hybridization and σ and π bonds Concept Clarifier4 min

6.1.5. Sigma and Pi Frameworks Practice9 min

6.2.1. Molecular Orbital Theory3 min

6.2.2. Molecular Orbital Diagram for Dihydrogen2 min

6.2.3. Second Row Diatomic Molecules9 min

6.2.4. Molecular Orbital Theory Concept Clarifier7 min

6.Q. Checkpoint Quiz7 Qns

7. Collections of Chemical Species

1.6hr

7.1.1. Intramolecular vs Intermolecular Forces5 min

7.1.2. Intermolecular Forces Theory15 min

7.2.1. Types of Intermolecular Forces (more detailed version)9 min

7.2.2. Example4 min

7.2.3. Example4 min

7.2.4. Strength of Intermolecular Forces Cheatsheet

7.3.1. Phases of Matter3 min

7.3.2. Intermolecular Forces and Boiling Point11 min

7.3.3. Other Physical Properties and Intermolecular Forces6 min

7.3.4. Example9 min

7.3.5. Example4 min

7.4.1. Viscosity 5 min

7.4.2. Surface Tension6 min

7.4.3. Capillary Action10 min

7.4.4. Example4 min

7.Q. Checkpoint Quiz4 Qns

Mock Exams

ME.1. Midterm - Mock Assessment 30 Qns

ME.2. Midterm Exam - Mock Assessment44 Qns

ME.3. Final Exam - Mock Assessment75 Qns

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