The periodic table and the elements

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Isolation of Iridium 1 9 years 44 weeks ago
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what is electron deficiency? 1 9 years 46 weeks ago
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Why does Ruthenium....? 1 9 years 48 weeks ago
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Selenium 1 9 years 48 weeks ago
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ballistite 1 10 years 2 weeks ago
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Chlorophyl 1 10 years 4 weeks ago
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WebElements: the periodic table on the WWW [http://www.webelements.com/]

Copyright 1993-20010 Mark Winter [The University of Sheffield and WebElements Ltd, UK]. All rights reserved.