Answer:
covalent bonds
Explanation:
The organic molecules:
are composed of only:
These are all nonmetallic elements. Therefore, the bonds between them are covalent.
Covalent bonds form between nonmetals. It involves a sharing of electron pairs.
An ionic bond forms between a metal and a nonmetal. It involves a transfer of electrons from an anion (− ion) to a cation (+ ion).