hlashamarie
hlashamarie hlashamarie
  • 10-04-2016
  • History
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Who was the first known contributor to the atomic theory?
A. Bohr
B. Dalton
C. Thomson
D. Democritus

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tjw266457 tjw266457
  • 11-04-2016
John Dalton is know as the first to come up with the first atomic theory , the answer is B

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