What can you assume about the anions in the ionic compound copper(ii) fluoride? a. the charge on the ionic compound is 2+. b. the charge on the ionic compound is 2–. c. fluoride anions must equal a 2– charge. d. fluoride anions must equal a 2+ charge.

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