AQA GCSE JJ Thomson and Plum pudding model
Practice Questions
1. What famous particle did JJ Thomson discover
The electron
2. State the name of the atomic model that he proposed.
Plum pudding model
3. Describe the appearance of Thomson’s model
Sphere of positive charge, with negative electrons embedded within it
4. Why was Thomson’s model later rejected?
As a result of the rutherford experiment, new evidence appeared which proved the model was incorrect.
5. Which model replaced Thomson’s model?
Nuclear model
Absorption and Emission of EM Radiation
JJ Thomson and Plum pudding model
Ernest Rutherford and the Nuclear Model
Niels Bohr changing the Nuclear Model
Discovering the Proton and Neutron
Measuring radiation from radioactivity
Radiation types and properties
Random nature of radioactive decay
Radioactive contamination or irradiation
Hazards of contamination and irradiation
Studies on the effects of radiation on humans
Different half lives of radioactive isotopes
Nuclear Fission Chain Reaction
Writing nuclear fission equations