B. Carbon has a valence of 4. C. Carbon forms ionic bonds. Only A and C are correct. E. A, B, and C are correct. A. ionic B. hydrogen C. covalent D. polar covalent E. both hydrogen and ionic 8.
Organic chemistry is a science based on the study of A. vital forces interacting with matter.
B. carbon compounds. C. the properties of oxygen. D. water and its interaction with other kinds of molecules. E. functional groups. Figure 4.5 9.