Minerals are used in building houses, schools, libraries, hospitals, offices and shops. Buildings use a wide range of minerals to provide variety of building materials. Which of these minerals would not be used in construction?

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together