8 Jun 1803 Jahr - John Dalton's Law of mutiple proportions
Beschreibung:
John built upon both those previous laws and created the "Law of multiple proportions" Which he said means each chemical element consists of small particles called atoms that can not be created nor destroyed.
"The law of multiple proportions states that if two elements form more than one compound between them, the masses of one element combined with a fixed mass of the second element form in ratios of small integers. The illustration of the third rule of the atomic theory correctly depicts this law."
Source:
https://www.thoughtco.com/history-of-atomic-theory-4129185
https://chem.libretexts.org/Textbook_Maps/Physical_and_Theoretical_Chemistry_Textbook_Maps/Supplemental_Modules_(Physical_and_Theoretical_Chemistry)/Atomic_Theory/Atomic_Theory
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Atomic Theory Time Line
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