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Q.

How did John Dalton contribute to science?

Tags: science, religion & spirituality, john dalton
Asked by radha sharma, 15 Feb '13 11:33 am
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Answers (3)

 
1.

Came up with atomic theory
Answered by Quest, 16 Feb '13 09:58 am

 
  
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I think Came up with atomic theory
Answered by Motu, 27 Sep 07:54 pm

 
  
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Agar bata diya to BA milega kya?? here we go

John Dalton's most important theory, developed in 1803, was that matter is composed of atoms of differing weights that combine in simple ratios.

Dalton published a book in 1808 listing the atomic weights of a number of known elements relative to the weight of hydrogen. Although not entirely accurate when published, those weights form the basis for the modern periodic table of the elements.

John Dalton has been honored by having his name used as the international atomic mass unit, equivalent to 1/12 of the mass of a neutral carbon-12 atom, the dalton.
Answered by Psycho, 15 Feb '13 11:34 am

 
  
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