Radioactivity

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Across
  1. 8. Energy levels of electrons in Bohr's model of an atom
  2. 9. An atom is changed from one element to another
  3. 11. Studied blackbody radiation
  4. 13. Discoverer of x-rays
  5. 14. Particles within the nucleus of an atom
  6. 17. An energy level that a subatomic particle can have
  7. 18. Stated you cannot know both the velocity and position of an electron at the same time
  8. 19. The time it takes for a radioisotope to decay half of its radioactive material
  9. 20. A molecule with an atom with an unpaired electron
  10. 21. Energy levels of electrons in Schrodinger's model of an atom
Down
  1. 1. A unit of light in the particle model of light
  2. 2. Plum pudding model of atom
  3. 3. The combining of two nuclei with the release of energy
  4. 4. Nuclear model of an atom
  5. 5. Atoms with the same number of protons, but different number of neutrons
  6. 6. Shows the number of protons in an atom
  7. 7. Radiation absorbed dose
  8. 10. Discovered natural radioactivity in 1896
  9. 12. Higher energy helium ions emitted by nuclear decay
  10. 15. High energy electrons emitted by nuclear decay
  11. 16. Electromagnetic radiation emitted by an unstable nucleus
  12. 20. The splitting of the nucleus of an atom
  13. 22. Roentgen equivalent man