Students are each given a 20-gram sanple of an unknown solid compound in a clear plastic bag. They are instructed to break the material 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?
O The fine powder pieces are individual atons broken from the solid.
O The larger pieces are still compounds and the smaller pieces are elements.
O Each piece contains the same number of atoms.
O Each piece contains the same proportion of different elements.