The periodic table and the elements

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Periodic Table - What's official? 5 9 years 51 weeks ago
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9 years 48 weeks ago
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Ununtrium and Ununpentium Discovered 4 10 years 11 weeks ago
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9 years 48 weeks ago
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Helium versus R134a refrigerant gas 0 9 years 48 weeks ago
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n/a
Name for element 111 2 9 years 46 weeks ago
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9 years 46 weeks ago
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Lightest & Strongest Metal 2 9 years 47 weeks ago
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9 years 46 weeks ago
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chlorine as a cleaning agent 1 9 years 45 weeks ago
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9 years 45 weeks ago
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I'm New and need help... 5 9 years 44 weeks ago
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9 years 42 weeks ago
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atomic size is the same as atomic radius ? 1 9 years 42 weeks ago
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9 years 41 weeks ago
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potassium nitrate 6 9 years 31 weeks ago
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9 years 30 weeks ago
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Is this an original discovery, or is it known already? 15 10 years 5 weeks ago
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9 years 30 weeks ago
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WebElements: the periodic table on the WWW [http://www.webelements.com/]

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