1. What is the binding energy per nucleon? Why is the binding energy per nucleon, rather than per nuclide, used to compare nuclide stability?

Question

2. When a nucleus forms from nucleons, is energy absorbed or released? Why?

3. Many scientists reacted skeptically to Einstein's equation E=mc2. why?

Answer 1

http://en.wikipedia.org/wiki/Binding_energy

http://en.wikipedia.org/wiki/Nuclear_binding_energy

http://hyperphysics.phy-astr.gsu.edu/hbase/nucene/nucbin.html

http://www.chem.purdue.edu/gchelp/howtosolveit/Nuclear/nuclear_binding_energy.htm