Open Question
Write an appropriate Lewis structure for each compound. Make certain to distinguish between ionic and molecular compounds. a. BI3 c. HCFO b. K2S d. PBr3
Ch.9 - Chemical Bonding I: The Lewis Model
Chapter 9, Problem 88
Does each compound contain both ionic and covalent bonds? Write ionic Lewis structures for each of them, including the covalent structure for the ion in brackets. Write resonance structures if necessary for the following: b. NH4Cl, d. Sr(CN)2, a. RbIO2, c. KOH.
Verified step by step guidance1
<b>Step 1:</b> Identify the types of bonds present in each compound. Ionic bonds typically form between metals and nonmetals, while covalent bonds form between nonmetals. For each compound, determine which parts are ionic and which are covalent.
<b>Step 2:</b> For NH4Cl, recognize that NH4+ is a polyatomic ion with covalent bonds between nitrogen and hydrogen atoms. The compound also contains an ionic bond between NH4+ and Cl-. Draw the Lewis structure for NH4+ showing the covalent bonds, and indicate the ionic bond with Cl-.
<b>Step 3:</b> For Sr(CN)2, identify that Sr2+ forms ionic bonds with the CN- ions. Within each CN- ion, there is a covalent bond between carbon and nitrogen. Draw the Lewis structure for CN- showing the covalent bond, and indicate the ionic bond with Sr2+.
<b>Step 4:</b> For RbIO2, recognize that Rb+ forms an ionic bond with the IO2- ion. Within IO2-, there are covalent bonds between iodine and oxygen atoms. Draw the Lewis structure for IO2- showing the covalent bonds, and indicate the ionic bond with Rb+.
<b>Step 5:</b> For KOH, identify that K+ forms an ionic bond with OH-. Within OH-, there is a covalent bond between oxygen and hydrogen. Draw the Lewis structure for OH- showing the covalent bond, and indicate the ionic bond with K+.
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