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3 answers

http://www.lenntech.com/periodic-chart.htm
100% creadible

2006-12-11 16:59:16 · answer #1 · answered by ibrar 4 · 3 0

Just search www.projectw.org for all types of books, applications, games, audio and videos etc.

2006-12-11 16:01:54 · answer #2 · answered by Talha 4 · 0 0

I think this site will be the best suited for your needs. It has helped alot for chemistry.

2006-12-11 15:52:48 · answer #3 · answered by Kingocal 4 · 0 0

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