Homework Help Forum: chemistry

Posted by rica on Wednesday, November 4, 2009 at 11:10pm.

who said that each element was composed of extremely small particles democritus lavoisier proust dalton

• chemistry - DrBob222, Wednesday, November 4, 2009 at 11:32pm

  I'm not the greatest on the history of chemistry but I think the answer is Democritus. His thoughts were strictly philosophical and there was no evidence to support his philosophy. Dalton's atomic theory, which came many years later, were based on experimental results and contained a similar statement (among others). Both Democritus and Dalton said it but Democritus seems to have said it first.

  
  

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