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Write a single lewis structure that obeys the octet rule for so3 and assign the formal charges on all the atoms. (there should be one double bond in the structure.)

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Kalahira
SO3 for the formal charges, we have: for the single-bonded oxygens F.C. = 6 - [1/2(2) + 6] = -1 for the double-bonded oxygen F.C. = 6 - [1/2(4) + 4] = 0 for the sulfur F.C. = 6 - [1/2(8) + 0] = 2 Again, the formal charges add to zero. The oxidation numbers of O and S are -2 and +6, respectively. Note the three resonance forms!

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