Physics
Across
- 1. What model first contained all 3 particles of an atom
- 3. Whose model first contained protons
- 5. Which particle was present in Thomson's model
- 6. What discovery made researchers find out about electrons
- 7. What is the small dense positively charged region called in Rutherford's model
- 8. What happens when a positive particle is close to a proton
Down
- 2. Positive charged particles shot in the experiment
- 4. What's Thomson's model often called
- 5. What's between the nucleus and electrons