Atomic theories

Well, here you have a video to explain the atomic theories through the history:

Now, answer the next questions:
1. Who was Democritus? When did he live?
2. What was he doing when thought about atoms?
3. Which is the difference between Democritus and Aristotle's belief?
4. The first man who talked about atomic theory based o scientific method was...
5. How Thomson discovered the electrons?
6. The model was called...
7. Who was the responsible of the discovery of the proton?
8. In order to fit he Thomson model, Rutherford and his colleagues thought that...
9. The modern model of the atom was developed by...
10. Bohr talked about levels of energy. About what particles was he talking about?