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2 cards from this section. Quick, good the night before a test.
Define formal charge.
Think about how we account for electrons in a molecule.
What is the significance of a Lewis structure?
Consider what information it conveys about bonding.
What does the formal charge help to determine?
Think about the role of charge in determining molecular structure.
True or False: A molecule with all zero formal charges is always the most stable.
Consider resonance effects on electron distribution.
Given a molecule with assigned formal charges, determine whether any resonating forms might lead to increased stability.
Focus on minimizing total formal charges.
Analyze how a specific atom's formal charge would change if it forms a different number of bonds.
Calculate its charge before and after bonding changes and observe the difference.
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