students are each given a 20 - gram sample of an unknown solid compound in a clear plastic bag. they are…

students are each given a 20 - gram sample 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 atoms 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.

students are each given a 20 - gram sample 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 atoms 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.

Answer

Brief Explanations:

A compound has a fixed - ratio of elements by mass. Breaking a compound into pieces does not change the proportion of elements in it. The fine powder is not individual atoms as compounds are made of molecules or formula units. Larger and smaller pieces are still compounds, not elements. And the number of atoms in each piece is not necessarily the same.

Answer:

Each piece contains the same proportion of different elements.