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jan 1, 1803 - Dalton
Description:
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
Added to timeline:
History of the Atom
By
Monica Orlandi
25 Nov 2017
0
0
518
Date:
jan 1, 1803
Now
~ 222 years ago
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