How can you tell that a chemical change has occurred?
O
A. The products of the change are different from the starting
substances.
O
B. The products of the change are warmer than the starting
materials.
O
C. Two or more substances are mixed together and form a solution.
D. The materials that you are working with evaporate.

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.