Check the statements that are a part of the Early Atomic Theory. Check all of the boxes that apply Scientists believe that the atom is made up of elements.
Atoms combine in whole number ratios to form compounds.
Atoms cannot be created or destroyed during a chemical reaction.

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