Concept explainers
A stable triatomic molecule can be formed that contains one atom each of nitrogen, sulfur, and fluorine. Three bonding structures are possible, depending on which is the central atom: NSF, SNF, and SFN.
(a) Write a Lewis diagram for each of these molecules, indicating the formal charge on each atom.
(b) Often, the structure with the least separation of formal charge is the most stable. Is this statement consistent with the observed structure for this molecule—namely, NSF, which has a central sulfur atom?
(c) Does consideration of the electronegativities of N, S, and F from Figure 3.18 help rationalize this observed structure? Explain.

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Chapter 3 Solutions
OWLv2 for Oxtoby/Gillis/Butler's Principles of Modern Chemistry, 8th Edition, [Instant Access], 1 term (6 months)
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