http://universe-review.ca/R13-01-periodictable2.htm

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Saved by 15 people (-3 private), first by anonymouse user on 2008-10-24

• Jheiser on 2008-12-03 - Tags science
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• Jerthebear on 2008-11-28 - Tags chemistry
• Pporto on 2008-11-28 - Tags science , udl , di