Across
- 1. advanced previous atomic models into what is used today
- 4. discovered radioactive rays
- 6. developed electromagnetic theory
- 9. namesake of unit of magnetic field strength
- 10. discovered radioactivity
- 11. whistleblower of radiation protection; invented fluoroscope
- 13. first American fatality from radiation exposure
- 15. organized elements into a table
- 17. discovered that atomic structure is a positively charged sphere with electrons embedded
Down
- 2. discoverer of x-rays
- 3. identified electromagnetism
- 5. chemist who developed atomic theory
- 7. associated with the earliest known atomic theory
- 8. identified electromagnetic induction
- 12. first described direct proportionality between energy & frequency
- 13. believed that atoms were indestructible and differed in size, shape & structure
- 14. developed solar system structure of atom
- 16. physicist who developed three laws of motion