The periodic table and the elements

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how to extinguish a fire of sodium, lithium or potassium? 21 9 years 13 weeks ago
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21 weeks 6 days ago
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Period 21 9 years 28 weeks ago
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Silicon 23 9 years 27 weeks ago
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9 years 26 weeks ago
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How to make any element u want (Even platinum) 24 8 years 21 weeks ago
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8 years 20 weeks ago
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Quantum Mechanical Model 24 9 years 27 weeks ago
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9 years 13 weeks ago
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How are elements made? 26 9 years 8 weeks ago
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8 years 8 weeks ago
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Gallium 29 10 years 9 weeks ago
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9 years 27 weeks ago
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There is only one element 30 9 years 27 weeks ago
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8 years 23 weeks ago
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Electron Configuration 31 9 years 28 weeks ago
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9 years 13 weeks ago
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Frequencies for the Periodic table of elements 31 10 years 10 weeks ago
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6 weeks 5 days ago
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WebElements: the periodic table on the WWW [http://www.webelements.com/]

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