A hypothesis<span> is an idea that </span>can be tested<span> by an </span>experiment<span>-These ideas are based upon a person's </span>observations and<span> previous knowledge or experience. </span>
Each piece contains the same number of atoms." The statement that correctly describes these broken pieces of the sample is that each piece contains the same number of atoms.
When the reactants are heated, the average kinetic energy of the molecules increases. This means that more molecules are moving faster and hitting each other with more energy.
