Atomic Refresher Part 1

This and the next post are refreshers on atomic structure and radioactivity. These links should prove to be most helpful in preparing for the final exam.

Link 1: http://www.passmyexams.co.uk/GCSE/physics/what-is-radioactivity-and-structure-of-atom.html

Link 2: http://science.howstuffworks.com/nuclear-bomb1.htm

Link 3: https://www.aip.org/history/curie/unstable.htm

Image: http://www.nuceng.ca/igna/images/Alphae.gif