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1 Jan 1898 Jahr - Marie & Pierre Curie - discovered radium and polonium - the rays she theorized came from the elements atomic structure

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discovered radium and polonium - the rays she theorized came from the elements atomic structure

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Atomic Theory - Kaeli Johnson

ByKaeli Johnson

19 Dez 2019

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1 Jan 1898 Jahr

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~ 127 years ago

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