Atomic Theory

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Across
  1. 1. electrons in the outermost orbital
  2. 5. center of an atom
  3. 7. experiment that found a tiny positive center to an atom.
  4. 10. positive subatomic particle found in the nucleus
  5. 11. negative subatomic particle found in the orbitals
  6. 12. aka the chocolate chip model
  7. 13. neutral subatomic particle found in the nucleus
Down
  1. 2. found the nucleus of an atom to contain neutral particles called neutrons.
  2. 3. Used the Gold Foil experiment to determine that atoms are mostly empty space
  3. 4. ring of energy around center of an atom where electrons are
  4. 6. claimed atoms of different elements were different
  5. 8. Named atoms "atomos" meaning indivisible
  6. 9. electrons circle the nucleus in distinct orbits
  7. 11. Wave Mechanical theory states that electrons are in a