-
Proposed that matter was made up of small unbraekable parts.
-
Stated that all substance are made up of 4 elements Fire,Water,Air,and Earth
-
Transformed Democritus ideas on atom into a atomic model
-
Discovered the electron,conducted theray tube experment
-
Determined the amount and chargeof the electron
-
Discovered the nucleas
-
Proposed that an electrions are found only in a specfic cirular path, or don't go around the nucles.
-
Comfirmed the existece of the neutron in the nucles
