history of atom
- Created by: emeliamyers07
- Created on: 15-07-21 16:46
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- history of the atom
- JJ Thomson
- plum pudding model
- discovered electrons and called them 'corpuscles'
- recognized electrons as components as atoms
- 1904
- Ernest Rutherford
- 1911
- fired positively charged alpha particles at a thin sheet of gold
- nuclear model
- discovered atom mostly empty space
- positive charge in central nucleus
- Niels Bohr
- 1913
- planetary model
- modified rutherfords model stated electrons obit nucleus in electron shells
- JJ Thomson
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