-
Created the Atomic Theory
-
Created the Law of Definite proportions.
-
Built one of first Cathode Ray tubes
-
developed 1st periodic table of elements
-
Discovery of electrons and plum pudding model
-
Determined the charge of an electron
-
Electron cloud model and established that the nucleus is small and dense
-
Uses x-ray tubes to determine charge of nuclei
-
Discovered isotopes
-
Proved the existence of neutrons
-
discovered nuclear fission, in which the nucleus of an atom breaks up into two separate nuclei, while experimenting with uranium.
Want to make a timeline like this?
Use Timetoast to turn dates, events, milestones, and phases into a clear visual timeline you can build and share. Timetoast is a timeline maker for work, school, research, and stories.