Atomic Physics

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Across
  1. 3. when a particle becomes charged by losing or gaining electrons.
  2. 6. the SI unit of activity, 1Bq=one decay per second.
  3. 8. electromagnetic radiation emitted by an atomic nucleus during radioactive decay.
  4. 9. the radiation from the environment to which we are exposed all the time.
  5. 10. an electrically neutral particle found in the atomic nucleus.
Down
  1. 1. nuclei of an element have the same proton number but different nucleon numbers
  2. 2. a "species" of nucleus having particular values of proton number and nucleon number
  3. 4. a particle found in the atomic nucleus: a proton or a neutron.
  4. 5. a particle(electron) emitted by an atomic nucleus during radioactive decay.
  5. 7. energy spreading out from a source carried by particles or waves