By the time my head hits the pillow tonight, I intend to feel like I really (fill in the blank with what you want to feel like you put out there, feel proud of, wont have regret about, or feel fulfilled by)

Ifound the exercise on the internet. attached is the list mentioned above.in order for a compound to be considered optically active it can't have any axis or plan of symmetry. the molecule  shouldn't also  be superimposable on its mirror image.with such considerations, the compounds that are optically active are: -third compound on the first image is optically active; -second and third compound from the second image are optically actives.