Sources
I used the following sources to complete my site.
Chlorine. 12/19/97. http://cst.lanl.gov/CST/imagemap/periodic/17.html (06, Feb. 1998.)
Mark Winter. http://www.shef.ac.uk/chemistry/web-elements/index-fr.html. (06, Feb. 1998.)
Rawlins, George M. and Alden H. Struble. Chemistry in Action. Boston: Heath and Company, 1948.