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John Dalton became a secretary where he orally presented a series of experimental essays.
Dalton proposed an additional "rule of greatest simplicity" that created controversy, since it could not be independently confirmed.
He claimed that atoms combine in only one ratio, "..it must be presumed to be a binary one, unless some cause appear to the contrary".
Dalton merely assumed this based from his faith in the simplicity of nature.
At 21 years old, Dalton began to keep a meterological diary that he then entered more than 200,000 observations.
It was shown that Dalton's theory had five main points.
1. Elements are made of extremely small particles called atoms.
2. Atoms of a given element are identical in size, mass, and other properties; atoms of different elements differ in size, mass, and other properties.
3. Atoms cannot be subdivided, created, or destroyed.
4. Atoms of different elements combine in simple whole-number ratios to form chemical compounds.
5. In chemical reactions, atoms are combined, separated, or rearranged.
A timeline
By: Megan Wadsworth, Courtney Jennell, Cre'Yon Lewis, Madison Tarbert, and Mercedes March
John Dalton's atomic theory was based off of the question: "Why does not water admit its bulk of every kind of gas alike?"
This question leading to his theory was not published until 1805.