Students are each given a 20 gram sample of an unknown solid compound in a clear plastic bag. They are instructed to break the m
aterial into smaller parts by gently hitting it with a hammer. Some of the parts break into large chunks and some look like a fine powder. Which statement correctly describes these broken pieces of the sample? The pieces of fine powder are individual atoms The larger pieces are still compounds and the smaller pieces are elements. Each piece contains the same number of atoms. Each piece contains the same proportion of different elements.
The correct answer for the question that is being presented above is this one: "Each piece contains the same number of atoms." The <span>statement that correctly describes these broken pieces of the sample is that each piece contains the same number of atoms.</span>
In our community the ecosystem provides fresh drinking water via pipes called citywater or ground water. It should be protected well, because it is our cities only source of clean water, ''purified''.
