Sam says that all molecules are compounds. jac disagrees and says that all compounds are molecules. who is right and why? both sam and jack are correct because molecules and compounds are the same thing. sam is correct because all compounds have at least two atoms bonded together and all molecules have at least two atoms bonded together. jac is correct because a molecule has at least two atoms bonded together and all compounds have at least two different atoms bonded together. neither jac nor sam are correct because molecules and compounds are two different things.