Chapters 8-9 Bonding

The goals of this unit include:

1. Understanding how lattice energy and relative sizes of isoelectronic species relate to ionic bonding.

2. Drawing Lewis diagrams for molecular compounds, identifying if the compound contains polar or nonpolar bonds, determining the electron domain geometry, determining the molecular geometry, determining if the molecule is polar or nonpolar, drawing any possible resonance structures, determining which resonance structure is most stable based on formal charge, and determining orbital hybridization in the molecule. Phew!

Bonding Flip Videos for 2020-2021

1. Isoelectronic Series and Radii Comparison (not me - quick)

2. Lattice Energy (not me, but I approve)

3. Electronegativity and Bond Polarity (me, but it's my Regents video)

4. Drawing Lewis Structures, Exceptions to the octet rule

5. Resonance, Formal Charge, Bond Order

6. Bond enthalpies

7. Molecular Geometries

8. Introduction to Orbital Hybridization (WATCH UNTIL 8 MINUTES! DO NOT NEED END OF VIDEO!)

9. Orbital Hybridization Part 1 (Dr. English)

10. Sigma vs. Pi bonding

11. Delocalized pi bonds

12. Orbital Hybridization Part 2 (Dr. English) (if needed)

Bonding Unit Outline (in non-pandemic years)

• POGIL – Introduction

  • Isoelectronic series

  • Relative radii of ions/species

  • Lattice Energy

  • Bond polarity

• Video #1

  • Drawing Lewis Structures

  • Exceptions to the octet rule

• Video #2

  • Resonance Structures

  • Formal Charge

  • Bond Order

• POGIL – Bond Energies

  • Bond-energy diagrams

  • Bond length

• Video #3

  • Bond enthalpies and ∆H

• Video #4

  • Molecular Geometries (take notes on separate chart)

• PHeT Simulation Activity

• POGIL – Orbital Hybridization

• POGIL – Molecular Polarity

• Videos #5 and #6

  • Sigma vs. Pi bonding

  • Delocalized pi bonds