Why is the periodic table arranged the way it is? There are specific reasons, you know. Because of the way we organize the elements, there are special patterns that emerge. And you know how Professor Dave feels about patterns. He likes them.

Watch the whole General Chemistry playlist: http://bit.ly/ProfDaveGenChem

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Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem
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Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience!
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