Across
- 4. a discrete amount of energy similar in magnitude to the frequency of the radiation
- 5. a helium nucleus emitted by radioactive particles
- 8. atomic ions spontaniously disinigrating
- 9. the lowest state of energy for an atom or other particle
- 10. a particle representing a quantnum light/ other electromagnetic radiation
- 11. a negative particle
Down
- 1. a fast moving electron produced by decaying substances
- 2. the speed or how often rays go
- 3. represents the reactants and products in radioactive decay
- 6. the emission of electromagnetic waves
- 7. electromagnetic radiation