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Unformatted text preview: 7. Write the Lewis structure for the product that forms when boron trifluoride combines with diethyl ether (C 2 H 5 OC 2 H 5 ). 8. Which of these ionic solids would have the largest lattice energy? A. NaCl B. NaF C. CaBr 2 D. CsI E. CaCl 2 9. A polar covalent bond would form in which one of these pairs of atoms? A. B. C. D. E. 10. Which response includes all the molecules below that do not follow the octet rule? (1) H 2 S (2) BCl 3 (3) PH 3 (4) SF 4 A. (2) and (4) B. (2) and (3) C. (1) and (2) D. (3) and (4) E. (1) and (4)...
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