HyperPhysics - Isotopes
Purdue University - Neutron-Rich Versus Neutron-Poor Nuclides
Purdue University - Neutron-Rich Versus Neutron-Poor Nuclides
Good discussion of the 'band of stability' on the graph of neutron number vs. proton number.
Purdue University - Natural Versus Induced RadioactivityInteresting discussion touching on a variety of concepts.
Topic Resources
15 questions
concept review with practice items
figures for classroom presentation