This page deals with concepts and topic associated with chapter 2 of Chemistry by Zumdahl (6th edition)

Atomic Structure video clip: 

Simple Atoms:  Simple Atoms.ppt

Here's a webpage that demos how to calculate an average atomic mass:  http://algebralab.org/practice/practice.aspx?file=Algebra_AverageAtomicMass.xml

Periodic Table Presentation:Using the Periodic Table New.ppt

Naming Presentation:  Naming & Formula Writing.ppt