1 янв 1808 г. - Dalton's "modern" Atomic Theory

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Dalton's atomic theory states that:
1. All matter is made of indivisible atoms
2. Every atom of an element is identical; every element has a unique atom
3. Compounds are a combinations of 2 or more atoms; each compound has a unique set of proportional number of atoms
4. Chemical reactions are a rearrangement of atoms

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