Atoms and Their Structure History of the Atom n n Original idea (400 B.C.) came from Democritus, a Greek philosopher n n Democritus expressed the belief.
Chapter 4 ATOM STRUCTURE John Dalton (1766- 1844), an English schoolteacher and chemist, studied the results of experiments by Lavoisier, Proust, and.
John Dalton (1766- 1844), an English schoolteacher and chemist, studied the results of experiments by many other scientists. Dalton’s Atomic Theory Atomic.
