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Draw two different Lewis formulas for
CHEMISTRY · Subjective · A Level · Chemistry · Bonding · Bonding
Problem
Draw two different Lewis formulas for
SO
4
2
−
\text{SO}_4^{2-}
SO
4
2
−
, one of which obeys the octet rule for all its atoms, the other of which has an octet for S expanded to 12 electrons. Use formal charges to determine which is the preferred structure.
Related theory
Resonance
Covalent Bonding
Octet rule exceptions
Chemical Bonding and Molecular Structure
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