CHEM 6A

UCSD

Course Overview

Lessons & Practice

I. Welcome

1. Atoms and Molecules

57min

1.1.1. Review of Previous Atomic Models 12 min

1.2.1. The Atom and its Subatomic Particles4 min

1.2.2. Example4 min

1.2.3. Practice2 min

1.3.1. Naming Compounds11 min

1.3.2. Example3 min

1.3.3. Example1 min

1.3.5. Practice

1.4.1. Isotopes and Atomic Mass5 min

1.4.2. Example2 min

1.4.3. Practice6 min

1.4.4. Practice9 min

1.Q. Exam Practise & Problems5 Qns

2. The Periodic Table and Chemical Periodicity

2.2hr

2.1.1. Balancing Reactions3 min

2.1.2. Reaction Stoichiometry8 min

2.1.3. Example3 min

2.1.4. Polyatomic Ions 1 min

2.1.5. Example1 min

2.1.6. Practice4 min

2.2.1. The Periodic Table of Elements9 min

2.2.2. Practice2 min

2.3.1. Effective Nuclear Charge 9 min

2.3.2. Example1 min

2.3.3. Practice2 min

2.4.1. Atomic Radius7 min

2.4.2. Ionic Radius7 min

2.4.3. Example2 min

2.4.4. Example3 min

2.4.5. Practice1 min

2.5.1. Ionization Energy 5 min

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

2.5.3. Practice2 min

2.5.4. Practice2 min

2.5.5. Practice5 min

2.6.1. Electron Affinity 10 min

2.6.2. Example2 min

2.6.3. Practice2 min

2.6.4. Practice4 min

2.7.1. Electronegativity 4 min

2.7.2. Example47 sec

2.7.3. Practice3 min

2.8.1. Periodic Trends Theory2 min

2.8.2. Example5 min

2.8.3. Practice4 min

2.8.4. Practice7 min

2.8.5. Practice2 min

2.Q. Exam Practise & Problems9 Qns

3. Early Quantum Theory

2.6hr

3.1.1. Electromagnetic Spectrum2 min

3.1.2. Photon Equations5 min

3.1.3. Photon Equations (Cntd.)9 min

3.1.4. Example4 min

3.1.5. Example3 min

3.1.6. Practice1 min

3.1.7. Practice4 min

3.2.1. The Photoelectric Effect8 min

3.2.2. The Photoelectric Effect Equation11 min

3.2.3. Example5 min

3.2.4. Practice3 min

3.2.5. Practice5 min

3.3.1. The Basics of Absorption and Emission Spectra3 min

3.3.2. Bohr's Atomic Model 12 min

3.3.3. Absorption vs Emission of a Photon3 min

3.3.4. Example4 min

3.3.5. Example3 min

3.4.1. Bohr Model Equations8 min

3.4.2. Example4 min

3.4.3. Example8 min

3.4.4. Practice 6 min

3.5.1. The Bohr Model and Atomic Line Spectra7 min

3.5.2. Relating Electronic Transitions to Emission Spectra8 min

3.5.3. Example4 min

3.5.4. Practice

3.5.5. Practice1 min

3.6.1. Wave-Particle Duality 8 min

3.6.2. Example2 min

3.6.3. Practice

3.6.4. Practice3 min

3.7.1. Schrodinger's Equation3 min

3.8.1. Standing Waves & Particle in a 1-D Box5 min

3.8.3. Example43 sec

3.8.4. Practice3 min

3.Q. Exam Practise & Problems14 Qns

4. Quantum Theory and Atomic Structure

2.7hr

4.1.1. The Bohr Model Vs The Quantum Model6 min

4.2.1. The Heisenberg Uncertainty Principle5 min

4.2.2. Example9 min

4.2.3. Practice4 min

4.3.1. Quantum Numbers11 min

4.3.2. Quantum Numbers Cheatsheet

4.3.3. Example3 min

4.3.4. Example5 min

4.3.5. Example1 min

4.3.6. Practice1 min

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

4.4.2. Drawing Atomic Orbitals7 min

4.4.3. Example3 min

4.4.4. Practice

4.5.1. Relative Energies of Atomic Orbitals11 min

4.5.2. Rules for Orbital Filling10 min

4.5.3. Example2 min

4.5.4. Example1 min

4.5.5. Practice2 min

4.5.6. Practice

4.6.1. Electronic Configurations of Atoms11 min

4.6.2. Electron Configurastions Cheatsheet

4.6.3. Electron Configuration Exceptions5 min

4.6.4. Example3 min

4.6.5. Example3 min

4.6.6. Practice

4.6.7. Practice4 min

4.6.8. Practice

4.7.1. Diamagnetic Vs Paramagnetic 7 min

4.7.2. Example8 min

4.7.3. Practice

4.8.1. Ground State Vs Excited State Electron Configurations6 min

4.8.2. Example2 min

4.8.4. Practice4 min

4.8.5. Practice5 min

4.Q. Exam Practise & Problems11 Qns

5. Ionic Bonds and Compounds

2hr

5.1.1. Introduction to Intramolecular Bonds4 min

5.1.2. Types of Intramolecular Bonds14 min

5.1.3. Example2 min

5.1.4. Example6 min

5.1.5. Practice2 min

5.1.6. Practice

5.2.1. Intramolecular vs Intermolecular Forces5 min

5.2.2. Intermolecular Forces Theory15 min

5.2.5. Practice9 min

5.3.1. Three Ways to Write Out Chemical Reactions11 min

5.3.2. Practice

5.3.3. Relating Net Ionic Equations to Ionization of Acids and Bases8 min

5.4.1. Electron Configurations of Ions of Main Group Elements9 min

5.4.2. Electron Configuration of Ions of Transition Elements2 min

5.4.3. Example5 min

5.4.4. Example5 min

5.4.5. Practice3 min

5.5.1. Lattice Energy (Property of Ionic Bonds)6 min

5.5.2. Example7 min

5.5.3. Example3 min

5.5.4. Practice

5.5.5. Practice

5.6.1. Bond Energies4 min

5.6.2. Practice

5.Q. Exam Practise & Problems7 Qns

6. Lewis Formulas

1.9hr

6.1.1. Drawing Lewis Structures 17 min

6.1.2. Example11 min

6.1.3. Example7 min

6.1.4. Practice

6.1.5. Practice7 min

6.2.1. Resonance Structures Theory7 min

6.2.2. Equivalent Vs Non-Equivalent Resonance Structures5 min

6.2.3. Example7 min

6.2.4. Example13 min

6.2.5. Practice

6.2.6. Practice

6.3.1. Lewis Structures of Acids2 min

6.3.2. Lewis Structures of Acids and Salts6 min

6.3.3. Example: Lewis Structures of Sulphuric Acid3 min

6.3.4. Practice: Acids and Salts2 min

6.4.1. Lewis Structures of Organic Compounds4 min

6.4.2. Resonance in Organic Molecules1 min

6.4.3. Example: Benzene Derivatives2 min

6.4.4. Example: Organic Compounds5 min

6.4.5. Example: Resonance II2 min

6.4.6. Practice: Identifying Resonance Structures

6.5.1. Filling in a Skeletal Structure3 min

6.5.2. Example: Skeletal Structure 13 min

6.5.3. Practice: Organic Compounds3 min

6.5.4. Practice: Skeletal Structure 232 sec

6.5.5. Practice: Benzene Derivatives 24 min

6.Q. Exam Practise & Problems5 Qns

7. Prediction of Molecular Geometries

1.1hr

7.1.1. VSEPR Theory20 min

7.1.2. Example10 min

7.1.3. Example6 min

7.1.4. Practice

7.1.5. Practice

7.1.6. VSEPR and Molecular Shapes Cheatsheet

7.2.1. Review of Polar Covalent Bonds

7.2.2. Molecular Polarity 8 min

7.2.3. Example8 min

7.2.4. Practice

7.2.5. Practice3 min

7.3.1. VSEPR Theory for Organic Compounds4 min

7.3.2. VSEPR Shapes for Organic Compounds - Example Problem2 min

7.3.3. Practice Question: VSEPR Theory for Organic Compounds2 min

7.3.4. Practice Question 2: VSEPR Theory for Organic Compounds3 min

7.Q. Exam Practise & Problems8 Qns

8. Covalent Bonding

3hr

8.1.1. Properties of Covalent Bonds11 min

8.1.3. Practice4 min

8.2.1. Molecular Orbital Theory Introduction3 min

8.2.2. How to Draw MO Diagrams for Homonuclear Diatomics8 min

8.2.3. Example: Molecular Orbitals of Li

_2

8.2.4. Example: Molecular Orbitals of HeH

^+

8.2.5. Practice: Diamagnetic Diatomics2 min

8.2.6. Practice: MO Orbitals Problem2 min

8.2.7. Practice: Molecular orbital (Challenging Problem)

8.3.1. Molecular Orbital Theory 3 min

8.3.2. Drawing MO Diagrams5 min

8.3.3. Example: Molecular Orbital Theory Questions5 min

8.3.4. Practice: Bond Order2 min

8.4.1. Example: MO Diagrams of 2s Block Molecules2 min

8.4.2. MO Diagrams of 2p Block Molecules10 min

8.4.3. s-p Mixing in MO Diagrams6 min

8.4.4. Example: MO Diagrams with s-p Mixing5 min

8.4.5. MO Diagrams without s-p Mixing - Example Problem4 min

8.4.6. Practice Question: MO Diagrams of Homonuclear Diatomics6 min

8.4.7. Practice Question: MO Diagrams of Neutral and Ionic Diatomics4 min

8.5.1. Introduction to Hybridization5 min

8.5.2. Determining Hybridization7 min

8.5.3. Example8 min

8.5.4. Example4 min

8.5.5. Example: Determine the Hybridization on Carbon2 min

8.5.6. Practice

8.6.1. Introduction to Valence Bond Theory6 min

8.6.2. Valence Bond Theory and Hybridization11 min

8.6.3. Example: Valence Bond Description of O

_2

_2

8.6.4. Practice: Bonding in Methyldiazene1 min

8.6.5. Practice: Bonding in Methyldiazene Part 21 min

8.7.1. Sigma and Pi Bonds2 min

8.7.2. Sigma and Pi Bonds 3 min

8.7.3. Practice

8.8.1. Example: Drawing Orbital Overlap Diagrams7 min

8.8.2. Example: Valence Bond Description of Acetone6 min

8.9.1. sp3 Hybridization8 min

8.9.2. sp3 Hybridization - Example Problem4 min

8.9.3. sp2 Hybridization3 min

8.9.4. sp2 Hybridization - Example Problem2 min

8.9.5. sp Hybridization2 min

8.9.6. sp Hybridization - Example Problem2 min

8.9.7. Unhybridized p Orbitals7 min

8.9.8. Unhybridized p Orbitals - Example Problem4 min

8.9.9. dsp3 and d2sp3 Hybridization3 min

8.9.10. dsp3 Hybridization - Example Problem2 min

8.9.11. d2sp3 Hybridization - Example Problem2 min

8.9.12. Practice Question: Hybridization with d Orbitals3 min

8.Q. Exam Practise & Problems5 Qns

9. Chemical Reactivity

58min

9.1.1. Combustion Reactions3 min

9.1.2. Classifying Reactions4 min

9.2.1. Definitions of Acids and Bases 3 min

9.2.2. Acids 2 min

9.2.3. Bases2 min

9.2.4. Neutralization Reactions

9.3.1. Electrical Conductivity of Aqueous Solutions 4 min

9.4.1. Titration Problem Introduction4 min

9.4.2. Example7 min

9.5.1. Oxidation States7 min

9.5.2. Oxidation States - Additional Information5 min

9.5.3. Example3 min

9.5.4. Practice

9.5.5. Practice

9.6.1. Redox Reactions Theory8 min

9.6.2. Practice3 min

9.6.3. Practice49 sec

9.6.4. Practice

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