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dec 24, 1766 - John Dalton
Description:
Came up with another atomic theory:
1. All matter is made of atoms
2. Matter can't be made/destroyed
3. Law of constant composition
4. All atoms of the same element are the identical/unique
Added to timeline:
20 Nov 2018
0
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227
Protons Timeline
Date:
dec 24, 1766
Now
~ 257 years ago
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