Question

select the correct answer. dry ice, or solid carbon dioxide, has the molecular formula co₂. how should you classify it? a. element b. compound c. mixture d. colloid e. suspension

Explanation:

A compound is a substance made up of two or more different elements chemically combined in a fixed ratio. Dry - ice ($CO_2$) is composed of carbon and oxygen atoms chemically bonded together. An element consists of only one type of atom. A mixture contains two or more substances that are not chemically combined. A colloid is a heterogeneous mixture where particles are dispersed but do not settle out quickly. A suspension is a heterogeneous mixture where particles settle out over time.

Answer:

B. compound