Atoms and Atomic Theory

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Across
  1. 3. My title is Mr._____
  2. 5. Charged atom.
  3. 7. Model that places electrons within orbitals.
  4. 9. All matter is made up of _____.
  5. 10. Model that places electrons within orbits
  6. 14. An atom with 11 protons
  7. 17. Subatomic particles that influence mass but not charge.
  8. 20. Discovered the nucleus.
  9. 21. Described the atom as an indivisible sphere.
  10. 22. Oxygen would be an example of a _____.
  11. 23. Region in space where electrons chaotically buzz.
  12. 24. When an atom looses an electron it becomes _____.
Down
  1. 1. The study of matter and all of its properties.
  2. 2. His atomic model resembles the solar system.
  3. 4. Atoms are composed of three types of _____ particles.
  4. 6. The center of the atom.
  5. 8. The _____ number represents the number of protons and neutrons.
  6. 11. The _____ number represents the number of protons.
  7. 12. When atoms have equal number of protons and electrons.
  8. 13. Subatomic particles that influence charge but not mass.
  9. 15. The relationship between Carbon-12 and Carbon-13.
  10. 16. When an atom gains an electron it becomes _____.
  11. 17. Rutherford created the _____ model as a result of his experiment.
  12. 18. Discovered the electron.
  13. 19. An atoms identity is based on its number of _____