Who developed the first atomic model based on experimentation? aristotle and plato democritus chadwick john dalton?

John Dalton  - The idea of an atom- the smallest component of matter that could not be divided further - was proposed around the year 400 BC. However, Aristotle did not like the idea. He claimed that all matter was composed of various proportions of elements like air, water, earth and fire. However, he had no experimental evidence to prove it. It was only when John Dalton (an English chemist, physicist and meteorologist), after experimenting with various gases, discovered that all matter is, in fact composed of extremely small particles called atoms, that the atomic model was first accepted worldwide.

Because so many Native Americans sided with the British, the U.S. felt justified in appropriating Indian lands and dispossessing them by “right of conquest.” One of the goals of the Revolution had been westward expansion (as indicated by complaints about the Proclamation Line of 1763).

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