8.2 nature of covalent bonding
DESCRIPTION
8.2 Nature of Covalent Bonding. Do Now Build an oxygen molecule and an ammonia (NH 3 ) molecule - Draw your model in your notes Objective Octet Rule, Single/Double/Triple Covalent Bonds, Coordinate Covalent Bonds HW Start your 8.2 questions on page 229. Oxygen Ammonia . - PowerPoint PPT PresentationTRANSCRIPT
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8.2 Nature of Covalent Bonding
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• Do Now – Build an oxygen molecule and an ammonia (NH3) molecule- Draw your model in your notes
• Objective – Octet Rule, Single/Double/Triple Covalent Bonds, Coordinate
Covalent Bonds
• HW – Start your 8.2 questions on page 229
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Oxygen Ammonia
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The Octet Rule BondingElectron sharing usually occurs so that atoms attain the electron configuration of noble gases.
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Single Bonds
Ammonia
Unshared or Lone Pair
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Double Bonds
• Carbon Dioxide
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Double Bonds
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• Do Now – Pass in 8.1 and 8.2 Homework Assignments
• Objective – Practice Molecular Models and Determining Structural Formulas
• Homework – Pg. 229 # 17 – 19 , 21, 22
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• Do Now – Review previous homeworks • Any Questions???
• Objective – Finish 8.2 • Triple Bonds, Coordinate Covalent Bond, Bond
Dissociation Energy, Resonance
• Homework – Pg. 229 # 17-19, 21,22
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Water Methanol
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Ethylene
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Butane Butanol
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Glucose
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Citric Acid
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Triple Bonds / Coordinate Covalent Bonds
Nitrogen Molecule
Carbon Monoxide
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Triple Bonds / Coordinate Covalent Bonds
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Bond Dissociation Energy
• Energy required to break the bond between two covalently bonded atoms.
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Resonance
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Resonance
• Possible to draw two or more valid electron structures.
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Exceptions to the Octet Rule
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