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. 
PPT
Mr. E. Science

Acids, Bases and Solutions

For Students 7th - 8th Standards
If you are not part of the solution, then you are part of the precipitate. The presentation covers solutions, suspensions, solubility, dissociation, and acid/base reactions. This is the 19th lesson in a series of 26.