- 
  
  -Atoms are "uncuttable"
 -Atoms are small, hard particles
 -Atoms constantly move
- 
  
  
- 
  
  It's the project.
- 
  
  -All Substances are made of Atoms
 -Atoms of different elements are different
 -Atoms of the same element are exactly alike
 -Elements combine in specific proportions
 -He conducted experiments in combining elements
- 
  
  
- 
  
  - He conducted the cathode-ray tube experiment
- His theory of the atomic structure lead to the "plum-pudding" model -There are small, negatively charged particles inside an atom
 
- 
  
  
- 
  
  -Atoms contain mostly empty space
 -Electrons move in the empty space in the atom
 -He conducted the gold-foil experiment
 -Most of an atom's mass is in the nucleus
 -There is a small, dense, positively charged nucleus.
- 
  
  
- 
  
  -Electrons jump between levels from path to path
 -Electrons travel in definite paths.
- 
  
  
- 
  
  -Electron Paths can't be predicted
 -Electrons are found in electron clouds, not paths
-