Gavin Layton

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