Select the correct answer. how does the structure of a carbon atom enable it to form large molecules? a. each carbon atom can be stable with one, two, three, or four bonds because of how its valence electrons are arranged. b. each carbon atom can bond with several other carbon atoms because of how many valence electrons it has. c. each carbon atom donates its electrons to other atoms, including atoms of noble gases and halogens. d. each carbon atom forms either double or triple bonds with surrounding hydrogen atoms.