What information does the complete ionic equation give?
O
A. It shows what compounds will react to form a precipitate.
B. It shows what compounds dissolved to form the ions.
O
C. It shows how the compounds actually exist in solution.
O
D. It shows only the fons that are involved in the reaction.

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth