Across
- 1. Imaginary line drawn at 90°
- 6. The law of _____________
- 8. The bending of light
- 9. This mass tells you the sum of protons + neutrons
- 10. The vertical columns in the periodic table
- 11. Perpendicular vibrations to direction of wave
- 12. Another word for vibration
Down
- 2. Parallel vibrations to the direction of wave
- 3. The horizontal rows in the periodic table
- 4. These particles have a charge of -1
- 5. The ___________ table
- 7. The location of the protons and neutrons