John Dalton (6 set 1766 ano – 27 jul 1844 ano)

Descrição:

Came up with the Billard Ball model.
-Atoms are small indestructible, indivisible particles that cannot be created or destroyed (Law of conservation of mass).
-Everything is made up of Atoms.
-Atoms of the same element look alike, have the same mass and act alike.

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