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8 Chemical Bonding Solutions to Exercises (c) pairs N N :N=N=N: 3 resonance structures; all obey octet rule. (d) 20 10 e- pairs H H Obeys octet rule. (e) 40 e-, 20 e- pairs Sb Does not obey octet rule; 10 around central Sb 8.64 (a) 11 5.5 e- pairs N=O Does not obey the octet rule. (b) 24 12 pairs : :F: Does not obey the octet rule. (c) 11 e- pairs 1- Does not obey the octet rule. (d) 16 pairs The structure on the left obeys the octet rule, while the one on the right minimizes formal charges but does not obey the octet rule. (e) 36 18e- pairs :F: : F-Xe-F: Does not obey the octet rule. F: 209