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  he thought that the atom DID exist. He knew that u could keep cutting an object till it became an atom, then uncuttable
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  Arsenic is a chemical element with symbol As and atomic number 33. Arsenic occurs in many minerals
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  Air- primarily wet, secondarily hot.
 Fire- primarily hot, secondarily dry
 Earth- primarily dry, secondarily cold
 Water-primarily cold, secondarily wet.
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  is an experimental gas law which describes how the pressure of a gas tends to decrease as the volume of a gas increases.
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  ) he was the first to make citric acid, acetic acid and tartaric acid a great invention by abu used for many chemical processes