Work cited:

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Atomic Theory - History. Web. 15 Dec. 2010. .

Atomic Theory- Describing Characteristics of Atoms. Web. 15 Dec. 2010. http://science.jrank.org/pages/631/Atomic-Theory-Describing-characteristics-atoms.html.

"Lesson 3-2 The Development of the Atomic Model." Scince Help Online Chemistry. Web. 15 Dec. 2010. http://www.fordhamprep.org/gcurran/sho/sho/lessons/lesson32.htm.

Matter. Visionlearning. Web. 15 Dec. 2010. http://www.visionlearning.com/library/module_viewer.php?mid=49.