Across
- 7. Refined the "Raisin Bun Model" into the "Saturn Model." (8 letters)
- 8. Canadian who suggested the existence of a dense, positively charged nucleus in the atom. (10 letters)
Down
- 1. Proposed a model with electrons embedded in a positive sphere. (8 letters)
- 2. Suggested that matter is composed of particles and demonstrated compression. (6 letters)
- 3. Developed a system for naming chemicals. (9 letters)
- 4. Proposed that electrons move in specific orbits around the nucleus. (4 letters)
- 5. Defined an element as made up of one type of atom and proposed matter is made of indivisible particles. (6 letters)
- 6. Discovered the neutron in the nucleus. (9 letters)