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Everythig was mad of something.
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thought everything was made of something.
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things were made of earth, air fire, and water
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thought atoms moved around and didnt stay in one place
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came up with atomic therory.
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discover radioavtivity
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discovered electrons
plum oudding experiment -
diccovered the nucleus.+ atomic therory
gold foil experiment. -
oil drop experiment
charge and mass of an electron -
Bohr modle
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quantum modle
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discovered the neutron
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