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Khan Academy

Khan Academy: Test Prep: Mcat: Chemical Processes: Covalent Bonds: Intramolecular and Intermolecular Forces

For Students 9th - 10th
Explains what intramolecular and intermolecular forces are and the different types for each. Includes lots of examples.
Handout
Oklahoma State University

Oklahoma State University: Chem 1215: Periodic Table

For Students 9th - 10th
Explains different sections of the periodic table, and how they are used.