SECTION 2  - COVALENT BONDS/ LEWIS STRUCURES/ MOLECULAR GEOMETRY/ INTERMOLECULAR FORCES

Note set six

Covalent bonds and Lewis structures

19 covalent bonds

20 lewis structures introduction

o 20A VSEPR, CH4 and Tetrahedron shape

o 20B Electron versus Molecular geometry and trigonal pyramidal

o 20C Water and Bent shape

Note set seven

Molecular  Geometry

• 21 2, 3 effective pairs

• 22 Carbon Dioxide and formal charge

 • 23 Hybridizations

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Note set eight

Advanced Molecular Geometry

• 24 5 effective pairs and expanded octets

• 25 6 effective pairs

• 26 Polyatomic ions and resonance

• 27 Practice with shape

 • 27a More practice with shapes 

Note set nine

Intermolecular forces

• 28 Polar vs Nonpolar molecules

• 29 Dipole – dipole attractions / hydrogen bonding

• 30 London dispersion forces and polarizability

Note set 10

More types of attractive forces

• 31 Metallic bonding

• 32 alloys

• 33 Network covalent solids / ionic crystals

MORE VIDEOS IF YOU NEED EXTRA HELP

• Lewis Diagrams 1
• Lewis Diagrams 2
• Lewis Diagrams 3
• Lewis Diagrams of Polyatomic Ions
• Exceptions For Lewis Diagrams
• Formal Charge 1
  
• Formal Charge 2
• 4 Effective Pair Shapes 
  
• 3 Effective Pair Shapes 
• 2 Effective Pair Shapes 
• sp3 Hybridization
• sp2 Hybridization
• sp Hydbridization
• 5 Effective Pair Shapes
• 6 Effective Pair Shapes and Polarity
• dsp3 and d2sp3 hybridization
• Polarity or Dipole Moments
• van der Waal’s Forces
• Hydrogen Bonding
• Ionic, Metallic and Network Covalent Bonding