01_maingroup

01_maingroup - TheAlkaline Earth Me tals Thealkali m tals e...

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The Main Group Elements: The alkali metals The Alkaline Earth Metals The Boron Family The Carbon Family Li Na K Rb Cs Be Mg Ca Sr Ba B Al Ga In Tl C Si Ge Sn Pb Group ==> column Each group has the same electronic configuration
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Periodic Trends Electronegativity? Increasing electronegativity Decreasing electronegativity
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Electronegativity Electronegativity increases from left to right on the Periodic Table and decreases down a group Li Be B C N O F
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Periodic Trends Metallic character? Increasing metallic character Increasing metallic character Ionization energy? The ability to remove an electron Lowest ionization energy Highest ionization energy
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Group members (column in the Periodic Table) have analogous valence shell configurations. Lighter element of each group has unique characteristics Diagonal relationships exist Metallic character decreases towards F.
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Hydrides H’s electronegativity is about the same as C Group 13 & Group 14 (& the rest of the main group elements) are molecular hydrides
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This note was uploaded on 10/27/2009 for the course CHE 2C taught by Professor Enderle during the Spring '08 term at UC Davis.

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01_maingroup - TheAlkaline Earth Me tals Thealkali m tals e...

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