Yes. It is the midpoint because the line would be GHJ and H is halfway between the 14 difference.
JOHN DALTON Lived from: 1766-1844 Put forward atomic model in: 1803 Nickname for his model: Billiard Ball Model Description of his model: Dalton was an English chemist and teacher who used experimental evidence to form the atomic theory of matter: All elements are composed (made up) of atoms. It is impossible to divide or destroy an atom.
It would be a line going straight through the graph under the middle.