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Aristotle though atoms were void and not possible. He beleived that the four elements water fire earth and air. He though these were the meaning of a things.
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Democritus discover the idea of atoms. His theory started with a gold coin he said if you break it in a half and half till you cannot break it no more. He thought there was a point where you could not break something anymore He called this an atom.
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Taught everyone the you have to oberserve before you start to make theroys
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He created the boil law. If the pressure increase the volume decreases and if the pressure decreases the volume increases
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He was know as the father of Modern Chemistry. He discoved that water is made of hydrogen and oxygen.
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John Dalton Theroy 1) All matter is made of atoms. Atoms are indivisible and indestructible. 2) All atoms of a given element are identical in mass and properties 3) Compounds are formed by a combination of two or more different kinds of atoms. 4) A chemical reaction is a rearrangement of atoms. He created this theory and it is still being worked with today. He is a true founder of modern chemistry.
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He discoved the electron and used cathode ray tubes to and to dermine the mass and raitio of the electron is 1.759 x 108 coulombs/ gram.
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He discoved alpha and beta rays emitting from radium.
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He discoved that electons do not spiral into the nuculus and came up with rules on how it acually works.
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Empedocles seprated invisible matter into fire water air and earth
