1 ene 1803 año - John Dalton proves the existence of atoms
Descripción:
Using experimentation with gases, English Scientist, Dalton, hypothesized that atoms make all matter, atoms of the same element are made of the make matter, Different elements are made from different atoms, Compounds have simple whole-number ratios of elements, and during chemical reactions, atoms separate, combine, or rearrange their chemical structure.
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1 ene 1803 año
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~ 221 years ago