Afalse statement concerning matter is: matter cannot be subdivided. matter is composed of many small particles called atoms. matter is mostly empty space. all matter contains mass.

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?

The three types is stress that act on earths rocks are compression, tension, and