Handout
National Institute of Open Schooling

Chemical Bonding

For Students 7th - 12th Standards
Name is Bond, covalent bond. Through readings and answering questions, classes explore the different types of chemical bonds, their characteristics, valence shell electron pair repulsion theory, and atomic orbitals. 
Lesson Plan
American Chemical Society

Development of Baking Powder

For Teachers 9th - 12th Standards
Did you know baking powder can be used to treat acne, whiten teeth, and make sugar cookies? The instructional activity on the development of baking powder is ready-to-go with no preparation required. Through readings, pupils answer...
Handout
Ohio State University

Ohio State University: Electronegativity & Bond Polarity

For Students 9th - 10th
Excellent graphics help this page explain the relationship between electronegativity and bond polarity.
Handout
Frostburg State University

General Chemistry Online: Ionic and Molecular Compounds

For Students 9th - 10th
Provides a good outline of the concepts involved in ionic and covalent bonding, with links to definition of terms. Features a list of common molecular compounds and a chart that compares ionic and molecular compounds.
Handout
University of Florida

University of Florida: General Chemistry I: Chemical Bonding

For Students 9th - 10th
Notes on covalent bonding, bond length, bond energies, Lewis dot structures, and percent ionic character. Colorful graphics.