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sep 16, 1830 - John Dalton (1830) -proposed an “atomic theory” with spherical solid atoms based upon measurable properties of mass

Added to timeline:

27 Sep 2017
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203
Chem Project
Alyssa George, Riley Gloeckl, Grace Bair, Sonja Hebestreit

Date:

sep 16, 1830
Now
~ 188 years ago
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