Across
- 1. the unit for frequency
- 4. discovered the constant between energy and frequency
- 7. the negatively charged subatomic particle
- 8. the prefix that means 1000
- 9. repeats per second of a wave
- 12. height of a wave
- 14. discovered the electron
- 15. the positively charged subatomic particle
Down
- 2. discovered the nucleus of the atom
- 3. the distance between repeating points on a wave
- 5. the unit for wavelength
- 6. made the model of the hydrogen atom
- 10. made the wave equation
- 11. the neutrally charged subatomic particle
- 13. the prefix for one-thousandth