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jan 1, 1803 - John Dalton

Description:

-1766 - 1844, U.K.
-1803 - 1808, Matter is composed of tiny indivisible particles called atoms. All atoms of the one element are identical but are different from the atoms of other elements. Chemical reactions consist of rearranging atoms in simple whole number ratios.
-Gas experiments

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History of the Atom

ByMonica Orlandi
29 Nov 2017
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Date:

jan 1, 1803
Now
~ 223 years ago

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