Across
- 6. consists of all the radiations emitted by atoms or molecules
- 7. a particle like an atom that has lost or gained electrons
- 10. composite particles consisting of two protons and two neutrons that are bound together
- 11. the number of repetitions of a periodic process in a unit of time
Down
- 1. ionizing electromagnetic radiation, obtained by the decay of an atomic nucleus.
- 2. light as being made of of particles
- 3. the distance between wave peaks
- 4. ions that are negatively charged
- 5. extremely fast positrons or electrons with extremely high levels of energy
- 8. the smallest amount of many forms of energy
- 9. ions that are positively charged