Chemical Bonding

Review Packet

Objectives:

• The characteristics of ionic and covalent bonding
• The relative size of ions
• The effect of lattice energy on melting points of ionic compounds
• How to use Electronegativity to predict the polarity of covalent bonds
• How to draw Lewis symbols for atoms and Lewis structures for molecular compounds and polyatomic ions
• How to draw resonance structures
• How to calculate the enthalpy of a reaction using bond energies
• How to compare bond lengths in molecules
• How to identify the intermolecular forces in a substance

Chapters 2, 9, 10, 11, 19

Equations (from yellow sheet)

None

Notes

I. Chemical Bonding

A. Ionic bonding

B. Coulomb’s Law

C. Ions

1. Electron configuration

2. Sizes of ions

D. Lattice energy

E. Covalent bonding

· Electronegativity

· Polar bond

II. Lewis Structures

A. How to draw

B. Resonance

III. Bond Energies and Enthalpy

A. Bond Length

B. Calculating

C. Enthalpy

IV. Intermolecular Forces

A. Hydrogen bonding

B. Dipole-dipole interactions

C. London dispersion forces