2. SEP Plan an Investigation Suppose scientists have found three oxide materials that could potentially be used as a cathode to a magnesium or
sodium anode in a battery for electronics. Plan an investigation to determine
the best battery. What characteristics would you test for?

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.