Sources

Science: an introduction to life, earth, and physical sciences.. 1999. Westerville, OH. Glencoe Mcgraw-Hill.

Myron, Harold. Neutron vs Proton Mass 2001237: ask a scientists. NEWTON:Argonne National Laboratory, Division of Educational Programs. Retrieved
        April 27, 2002 from http://newton.dep.anl.gov/askasci/gen01/gen01078.htm

Charlesworth, Paul. ATOMS.  Chemistry Department, Michigan Tech. April 07, 1999.
        Retreived on April 27, 2002 from http://chemistry.mtu.edu/PAGES/HISTORY/05atoms.html.

Lynch, Jack. Dissertation on English Literature of the 18th and 18th Century. Univeristy of Pennsylvania  English Department.  Retreived April 27, 2002 from
      http://www.english.upenn.edu/~jlynch/Frank/Contexts/atomic.html.

Settle, Frank. ChemCases: nuclear fission. 1999 Kennesaw State University. Retrieved April 27, 2002 from http://chemcases.com/nuclear/nc-01.htm

Little Buddha. Chemistry the Matter Made Basic. 1996. Retrieved April 27, 2002 from http://www.nhgs.tec.va.us/GovSch/chemistry/basicchem/main.html

Quark. Retrieved April 27, 2002 from http://zebu.uoregon.edu/~js/glossary/quarks.html

Atomicarchive.com. 1982-2002. AJ software and multimedia. Retrieved April 27, 2002 from   http://www.atomicarchive.com/index.shtml.
 

Elementary particles. 2002. Encyclopedia.com. Retrieved April 27, 2002 from
        http://www.encyclopedia.com/searchpool.asp?target=@DOCTITLE%20elementary%20particles%20The%20Discovery%20of%20Elementary%20Particles
 

Schoolscience. Industry supports education. Retrieved april 27, 2002 from  http://www.schoolscience.co.uk/content/4/physics/particles/index.html
 

Atoms

Periodic Table of Elements

Nucleus

Proton

Neutron

Electron