What is a chemical substance that cannot be broken down into another chemical substance?
A compound

B element

C matter

D molecule

Question

What is a chemical substance that cannot be broken down into another chemical substance?         
 A      compound

 B       element

C        matter

 D       molecule

ciarán95 · Answer

(B.) An element is a substance which cannot be broken down into a simpler substance by chemical means. In the case of compounds, molecules and matter (usually), these are made up of multiple atoms/elements chemically bonded together. These three all could theoretically be broken apart into simpler substances.