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- Atoms are "uncuttable"
- Atoms are small, hard particles -Atoms constantly move
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- 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
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- He conducted the Cathode-Ray Tube experiment
- There are small, negatively charge particles in an atom.
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- Atoms contain empty space
- He conducted the Gold Foil Experiment Most of Atoms Mass are is in the nucleus
- There is a small dense positively charged nucleus
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- Electrons Jump between levels from path to path -Electrons move in empty space in the atom
- Electrons travel in indefinite paths
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- Electrons can not be predicted
- Electrons are found in electron clouds, not paths
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