Chemistry - The Central Science Chapter 8

Chemistry - The Central Science Chapter 8 - Chapter 8...

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Chapter 8 Chemical Bonding A. Lewis Dot Symbols B. Ionic Bonding C. Covalent Bonding D. Bond Polarity E. Lewis Structures F. Resonance G. Bond Length and Strength HW #P8 8.1, 8.12, 8.16, 8.21, 8.37, 8.45, 8.54, 8.62, 8.78, 8.86 Covered On Quiz 4 and Final Exam
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Chapter 8 Chemical Bonding We have studied the atom and electronic configuration. How are atoms held together in molecules? Chemical bonds hold atoms together. A. Lewis Dot Symbols In Chapter 6 we used the noble gas configurations as shorthand for electron configurations. The electrons in addition to the last noble gas are valence electrons and represented with a dot. Li 1s 2 2s 1 or [He]2s 1 Li has one valence electron Li @ Examples: (1) C (2) F (3) Cl Lewis dot structures are not used for transition metals. Valence electrons are only considered for the largest value of n for Lewis dot symbols. Examples: (1) Br (2) I
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Z 1 Z 2 d Octet Rule – Atoms tend to gain or lose electrons until they are surrounded by eight electrons. Group 1 Group 2 Group 13, 14, 15 Group 16 Group 17 B. Ionic Bonding Ionic bonds are electrostatic forces that exist
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This note was uploaded on 08/21/2008 for the course CHE 101 taught by Professor Churchhill during the Spring '08 term at SUNY Buffalo.

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Chemistry - The Central Science Chapter 8 - Chapter 8...

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