The picture represents _. A. Mixture of Elements and Compounds

B. Elements

C. Mixture of Elements

D. Mixture of Compounds

E. Compounds

The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing