Khan Academy on a Stick
Tabla periódica, grupos y enlaces
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Groups of the Periodic Table (ES)
ccProperties of alkali, alkaline earth and transition metals. Halogens and noble gases.
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Valence Electrons (ES)
ccLooking at valence electrons to figure out reactivity
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Periodic Table Trends: Ionization Energy (ES)
ccWhat an ion is. Using the periodic table to understand how difficult it is to ionize an atom.
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Other Periodic Table Trends (ES)
ccElectronegativity, metallic nature and atomic radius.
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Ionic, Covalent, and Metallic Bonds (ES)
ccIntroduction to ionic, covalent, polar covalent and metallic bonds.