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2 cards from this section. Quick, good the night before a test.
Count the valence electrons in a water molecule (H2O).
Sum the valence electrons for Hydrogen and Oxygen.
What atom typically occupies the center in Lewis structures?
Refer to the periodic table.
What represents valence electrons in Lewis structures?
Consider what each mark denotes in the structure.
True or False: Lewis structures can accurately describe resonance.
Think about situations where multiple structures can represent a molecule.
Create the Lewis structure for SO2 and explain any resonance present.
Consider how the bonding can shift in molecules.
Draw the Lewis structure for a molecule with an expanded octet and explain the octet rule's limitations.
Review elements in periods beyond 3 for behavior beyond the octet rule.
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