Chemistry A atom In Chem A we learned about chemical properties, the periodic table, atomic structure, and ionic bonding. In the lab, we test what we've learned and make predictions based on our observations and knowledge. Chem B includes covalent bonding and molecular structure, types of reactions, balancing equations, stoichiometry and acids and bases.  Chemistry_A.doc   Chemistry A Syllabus Test Dates Test: Stoichiometry Thursday, May 22 Project Due Dates web sites lots of information about elements: http://www.webelements.com/ orbital shapes: http://winter.group.shef.ac.uk/orbitron/