Dalton's model did not recognize that atoms of different elements a. can have different charges. b. have different masses. c. have different properties. d. form different compounds.

I think the correct answer from the choices listed above is option A. Dalton's model did not recognize that atoms of different elements can have different charges. Dalton was developed the theory of the structure of matter and this theory is known as Dalton’s atomic theory. His research was based on experiments and also from law of chemical combination.