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atomic theory
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Rutherford atomic model
Understanding John Dalton's atomic theory of matter
How scientists discovered atoms
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Italian physicist Guglielmo Marconi at work in the wireless room of his yacht Electra, c. 1920.
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Rutherford atomic model
Understanding John Dalton's atomic theory of matter
How scientists discovered atoms
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Key People

Neils Bohr
Niels Bohr
Danish physicist
John Dalton
John Dalton
British scientist
Hans Bethe.
Hans Bethe
American physicist
Democritus
Democritus
Greek philosopher

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Italian physicist Guglielmo Marconi at work in the wireless room of his yacht Electra, c. 1920.
All About Physics Quiz