Does a reaction occur when aqueous solutions of ammonium sulfide and magnesium nitrate are combined? yes or no?

What term describes technology that operates on an atomic level

What is the effect of returning nuclear reactor cooling water back into bodies of water?

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