Faith-and-science
02:13
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ChemistryHonors0149
721 0
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Chemistry
856 0
05:53
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Periodic table
717 0
19:58
05:00
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52:40
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EC 2.2 Balance by OxNumb
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The Alkali Metals
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47:12
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Chemistry Can Be Fun
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28:10
06:49
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Ignacio Silva: "Some Epi
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SPHERULITE
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Science project
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03:22
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Careers in Science
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Computer Science 101
674 0
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Science is Fun
848 0
08:45
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00:26