Across
- 5. Gallium Symbol
- 6. No3-1
- 7. Studied Cathode Rays
- 9. H20
- 10. Latin name for Potassium
- 11. A characteristic of a chemical change also known as change in odour
Down
- 1. Discoverer of protons
- 2. Discoverer of neutrons
- 3. Another name for acid radical
- 4. Discoverer of atomic nucleus
- 8. Relative atomic mass