http://preparatorychemistry.com/Bishop_Section_18_1.htmhttp://preparatorychemistry.com/Bishop_Section_18_1.htm
The link above is for a narrated powerpoint on Nuclear Chemistry by Mark Bishop.  This is part of an excellent online chemistry textbook.   Link for nuclear readings:   www.tinyurl.com/nuclearreading

Watch Nuclear Aftershocks on PBS. See more from FRONTLINE.