Compounds can be represented by chemical formulas. the chemical formula co2 represents carbon dioxide. one molecule of carbon dioxide is made up of
a. two carbon atoms and two oxygen atoms.
b. one carbon atom and two oxygen atoms.
c. two carbon atoms and one oxygen atom.
d. one carbon atom and one oxygen atom.

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.