Unit Plan
Vision Learning

Visionlearning: Chemistry: The Nature of the Chemical Bond

For Students 9th - 10th
This site talks about ionic, polar covalent, and non-polar covalent bonding.
Lesson Plan
American Chemical Society

Middle School Chemistry: Represent Bonding With Lewis Dot Diagrams

For Teachers 9th - 10th
Students draw and interpret Lewis dot diagrams for individual atoms and both covalent and ionic compounds.