Across
- 3. who made the existence of neutrons
- 5. who discover subatomic particles called atoms
- 8. Who suggested that matter was made up of elements
- 9. What is the symbol for the element gold
- 10. what is a reversible change
- 11. Who suggested that atoms move in a circular orbit
- 12. who said that atoms were mainly empty space
- 13. Who got rid of the idea of elements
Down
- 1. who was the father of modern chemistry
- 2. what is a irreversible change
- 4. Who thought that they could turn anything into gold
- 6. who positively charged sphere with negatively charged electrons orbiting around
- 7. What is the 20th element on the periodic table
- 8. Who made the atomic theory