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This is the start of the chemistry, the discover of the fire probably was caused by a ray, but the truth of this event still uncertain.
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This period start with the metallurgy in Egypt, the first metal that be discovered was the gold, and the people of Egypt used for the top of the piramid
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Alchemy is a philosophical and protoscientific tradition practiced throughout Europe, Egypt and Asia. It aimed to purify, mature, and perfect certain objects.[1][2][n 1] Common aims were chrysopoeia, the transmutation of "base metals" (e.g., lead) into "noble" ones (particularly gold); the creation of an elixir of immortality; the creation of panaceas able to cure any disease; and the development of an alkahest, a universal solvent.
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The latrochemistry is a historical branch of science linking the chemistry and medicine . Taking their bases in alchemy, latroquímica sought to find chemical to pathological and physiological processes of the human body explanations , and provide treatments with chemicals.
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invisible substance that supposedly existed in all material things and explaining its combustion , before the discovery of oxygen.
" Phlogiston theory was presented by George E. Stahl to explain the combustion and calcination of metals , the more flammable is a body, richer in phlogiston " -
The study of the structure and composition, properties and transformation of substances. It is to this that Chemistry is dedicated . Put that way , it may seem a limited company but far from it. Its scope covers everything because everyone known , solid, liquid , gas or plasma is formed by chemical elements or compounds thereof . Including us : the human body is an aggregate of atoms and molecules interact .