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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.
Conducted experiments in combining elements. -
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Conducted the cathode-ray tube experiment.
Theory of the atomic structure lead to "plum pudding model".
There is a small, dense, negatively charged particles inside an atom. -
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Atoms mostly contain empty space.
Electrons move in 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. -
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Electrons jump between levels from path to path.
Electrons travel in definite path. -
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Electron paths can not be predicted.
Electrons are found in electron clouds, not paths. -
