Khan Academy on a Stick
Periodic table, trends, and bonding
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Groups of the periodic table
Properties of alkali, alkaline earth and transition metals. Halogens and noble gases.
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Valence electrons
Looking at valence electrons to figure out reactivity
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Periodic table trends: Ionization energy
What an ion is. Using the periodic table to understand how difficult it is to ionize an atom.
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Atomic radius trends on periodic table
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Electronegativity
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Metallic nature
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Ionic, covalent, and metallic bonds
Introduction to ionic, covalent, polar covalent and metallic bonds.