Atomic Theory

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Across
  1. 3. Subatomic particle with neutral charge
  2. 6. a mathmatical expression to find wave functio
  3. 10. means atom in greek
  4. 11. atom or molecule that gained or lost electron
  5. 12. Who descredited Leucippus and democritus
  6. 14. Subatomic particle with negative charge
  7. 16. experiment to find charge and mass of electron
  8. 17. the sum of protons and neutrons on perodic table
Down
  1. 1. who discovered the electron
  2. 2. the scientist who in invented the "Billiard Ball Mode"
  3. 4. electrons at the out edge of the shell
  4. 5. a chemical bond of two elements
  5. 7. rejected the idea of only four elements
  6. 8. chemist that discovered orbital model
  7. 9. same element,different mass
  8. 13. subatomic particle with positive charge
  9. 15. substance that cannot be broken down into a smaller substance