Modern Periodic Table
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12:35
Mendeleev Periodic Table
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1:00:11
What is the Periodic Table? How are Elements Organized?
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33:25
IUPAC Nomenclature of Organic Chemistry
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31:22
Periodic Table of Elements Explained - Metals, Nonmetals, Valence Electrons, Charges
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11:05
Periodic Classification of Elements
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24:59
Ohm's Law
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11:16
how to study less and get higher grades
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13:48