John Wilkes Booth Crossword

1234567891011121314151617181920
Across
  1. 1. this idea was to take matter and continue to divide and divide it until you would see individual _____________
  2. 6. this is when dalton formed his atomic theory after Democritus
  3. 8. Bohr's Definition: element is any substance that cannot be _____________ into a simpler substance
  4. 9. Who improved Bohr's model?
  5. 11. in the plum pudding model it was thought ofas the same _______________________throughout
  6. 12. one of the early greeks to study atoms (starts with D)
  7. 14. the basic idea was if you could look at matter on __________________ and _____________ scales
  8. 16. the ________________ mechanical model was developed by Erwin Schrodinger
  9. 17. A chemical reaction is a _____________________ of atoms
  10. 19. the first theory to explain physical properties was: atoms had different shapes and ________________
  11. 20. formed by a combination of two or more different kinds of atoms
Down
  1. 2. in 1897 he discovered the electron
  2. 3. The uncertainty principle says that we cannot measure the _______________________ (x)
  3. 4. Thompson used a high-vacuum cathode-ray tube to study the nature of what?
  4. 5. Bohr's revolutionary ideas were that electron"jumps" what?
  5. 7. he discredited the early greeks atomic theory
  6. 10. Millikan discovered what about an electron during his famous "Oil Drop Experiment"?
  7. 13. the first component of Dalton's atomic theory: all ___________ is made of atoms
  8. 15. Part 2: the uncertainty principle also says and the ________ (p) of a particle with absolute precision
  9. 18. what part of the atom was discovered tobe 10,000 times smaller than it?