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29 mai 1801 - John Dalton revises the Atomic Theory

Description:

Dalton found that everything in the universe is made of atoms, all atoms of the same element are the exact same mass, size, and have the same physical and chemical properties. He also discovered atoms cannot be divided below a whole number and he discovered chemical reactions are rearrangement of atoms.

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Date:

29 mai 1801
Maintenaint
~ Il y a 224 ans