Editor-In-Chief Coordinating Editor President & CEO Radiochemistry Society Radiochemistry Society Richland, Washington USA Richland, Washington USA Technical Editor Graphics Design Nuclear Scientist Emeritus Independent Consultant Department of Energy Hanford Site Richland, WA USA Richland, Washington USA Research Assistant Contributor Radiochemistry Society Distinguished Professor Emeritus Richland, Washington USA Department of Chemistry University of Arkansas Fayetteville, Arkansas USA Assistant Editor Radiochemistry Society Richland, Washington USA Document Production Independent Consultant Burbank, Washington USA Encyclopedia of Radiochemistry Volume One Encyclopedia of Radiochemistry Volume One specialty Encyclopedia of Radiochemistry Encyclopedia of Radiochemistry Volume One Encyclopedia of Radiochemistry Volume One Guide Encyclopedia of Radiochemistry Volume Two Volume II: Table of Contents CHAPTER 3 Isotopes ............................................................................................................................. 3-441 Section 3.1 Atoms and Isotopes Encyclopedia of Radiochemistry Volume Two Section 3.