Chapter 9.1-9.3 student version

Chapter 9.1-9.3 student version - Chemistry involves...

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9.1 Chemistry involves valence electrons since they are the outermost electrons. How do these electrons interact with one another? How are they shared? First, we will use Lewis dot structures to keep track of the movement of electrons within a molecule. Next, we will investigate the types of bonds formed. Note: we will not consider orbitals (direction of bonds, shapes of molecules) until chapter 10.
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9.1 Valence electrons are the outer shell electrons of an atom. The valence electrons are the electrons that participate in chemical bonding. 1A 1 ns 1 2A 2 ns 2 3A 3 ns 2 np 1 4A 4 ns 2 np 2 5A 5 ns 2 np 3 6A 6 ns 2 np 4 7A 7 ns 2 np 5 Group # of valence e - e - configuration
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Noble Gases The Lewis dot symbol consists of the symbol of an element surrounded by one dot for each valence electron. Note that the number of electrons is the same as the group number. Gilbert Lewis developed this notation as a short hand to keep track of
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This note was uploaded on 02/20/2012 for the course CHEM 1230 taught by Professor Anderson during the Spring '08 term at Toledo.

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Chapter 9.1-9.3 student version - Chemistry involves...

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