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feb 20, 1805 - Dalton - 1805

Description:

Dalton concluded that elements are made of extremely small particles called atoms. Atoms of a given element are identical in size, mass, and other properties; atoms of different elements differ in size, mass, and other properties. Atoms cannot be subdivided, created, or destroyed.

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The History of the Atom

ByChinmay
10 Oct 2017
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Date:

feb 20, 1805
Now
~ 220 years ago
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