How does the actual mass of a pb-208 atom compare to the total mass of all of the particles that make it up?.

In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need

How does the viscosity of magma change as magma cools?

Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory