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Atoms are "uncuttable".
All substances are made of atoms.
Atoms are small, hard particles.
Atoms constantly move. -
Atomic Model
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Atoms of different elements are different.
Atoms of the same element are exactly alike.
Elements combine in specific proportions.
He conducted experiment in combining elements. -
Atomic Model
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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. -
Atomic Model
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Atoms contain mostly 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. -
Atomic Model
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Elements jump between levels from path to path.
Electrons travel in definite paths. -
Atomic Model
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Electrons are found in electron clouds, not paths.
Electron paths cannot be predicted. -
Atomic Model