Chemistry The chirality center and four adjacent atoms have been extracted from Thalidomide to give the simplified structure below. Using a model kit, make two identical models of this molecule using blue for the NH2 group and red for the C=O group. 1) Confirm that they can be superimposed (aligned exactly) onto one another. 2) Switch any two groups on ONE of the models (leave the other model unchanged). a. Is this new model identical to the original model? (circle one) yes / no b. What definition from the following list best describes the relationship between the two models? (Circle more than one answer if appropriate) identical / stereoisomers / conformational isomers / constitutional isomers / enantiomers. c. Is the molecule chiral? Explain why.

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