Answer
Each carbon atom can form four chemical bonds to other atoms. They are also small enough to fit between large molecules. The four valence electrons around carbon allow it to form a large variety of molecules and bond with many different atoms.
Work Step by Step
Each carbon atom can form four chemical bonds to other atoms. They are also small enough to fit between large molecules. The four valence electrons around carbon allow it to form a large variety of molecules and bond with many different atoms.