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101
Greeks
The greeks thaught that the atom were small particles or invisible. -
Dalton
Dalton thaught that the atoms were solid spheres -
Crookes
Crookes discovered the Cathode ray tube -
Thomson
Thomson discovered electrons. -
Rutherfords
Rutherford discovered the nucleus in the Atom. -
Bohr
Neils Bohr discovered that electrons orbit the nucleus of the atom. -
Heisenberg
Heisenber discovered the Atom cloud.