Ammonium sulfate is used as a fertilizer to supply nitrogen to crops. write the equation for the disassociation of this compound when it dissolves in water and include states in your answer.

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?