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... 1.2 Difficulty Level: Easy Which atom is described by the Lewis structure A ? a) C b) P c) Se d) I Section 1.2 Difficulty Level: Easy 10 Which atom is described by the Lewis structure A ? a) C... Section 1.7 Difficulty Level: Medium 36 Which of the three molecules testosterone, methadone and hydrocodone contains an amine? testosterone methadone N OH O H H hydrocodone N H O O I II O O III a)... 1.7 Difficulty Level: Medium 37 Which of the three molecules testosterone, methadone and hydrocodone contains a hydroxyl group testosterone methadone N OH O H H hydrocodone N H O O I II O III