Across
- 3. Atoms can gain _ _ _ _ _ _ _ _ _ to become charged ions.
- 7. This type of wave moves in two ways, transverse and longitudinal.
- 11. If something is going at a constant speed it has what?
- 12. The unit of frequency.
Down
- 1. They always travel at the speed of light.
- 2. Atoms have the same amount of protons as _ _ _ _ _ _ _ _.
- 4. This wave is always transverse.
- 5. Causes your cells to mutate.
- 6. An atom with a different number of neutrons.
- 8. The three types of decay are; alpha, beta and _ _ _ _ _.
- 9. Speed with direction.
- 10. Energy caused by motion is?