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November 1, 2025
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25 déc. 1803 - Dalton's atomic theory: Created by John Dalton; Proposed the theory that all matter was composed of atoms, indivisible and indestructible building blocks; While all atoms of an element were identical, different elements had atoms of differing size and mass.

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Date:

25 déc. 1803
Maintenaint
~ Il y a 221 ans

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