Practice test 4 (b) - Practice exam 4 Page 1 1. Of a. b. c....

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Practice exam 4 Page 1 1. Of the ions below, only _____ has a noble gas electron configuration. a. S 3- b. O 2+ c. I + d. K - e. Cl - 2. The chloride of which of the following metals should have the greatest lattice energy? a. potassium b. rubidium c. sodium d. lithium e. cesium 3. A double bond consists of _____ pairs of electrons shared between two atoms. a. 1 b. 2 c. 3 d. 4 e. 6 4. A nonpolar bond will form between two __________ atoms of __________ electronegativity. a. different, opposite b. identical, different c. different, different d. similar, different e. identical, equal 5. How many different resonance structures can be drawn for the ion SO 3 2- ? a. 1 b. 2 c. 3 d. 4 e. 5 6. The central atom in _____ violates the octet rule. a. NI 3 b. SO 2 c. ICl 5 d. SiF 4 e. CO 2
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Page 2 7. The diagram below is the Born-Haber cycle for the formation of crystalline potassium fluoride. Which energy change corresponds to the negative lattice energy of potassium fluoride? a. 2
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Practice test 4 (b) - Practice exam 4 Page 1 1. Of a. b. c....

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