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Australopithecus discovered fire and since then used to cook and warm
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Paints were made with vegetable estracts and semi precious metals were used in the making of jewerly
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The concept of matter and some of its properties arrise in ancient Greece.
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Starting of the search of the filosopher's stone and the elixir of life
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There start being medicines made with natural substances
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In this year a theory that studies the combustion, is launched by Jeorg Stahl
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in this period Lavoisier was the most important chemist and he presented the scientific method
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In this time chemist realized that the elements with carbon and hidrogen were considered organic substances
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masterfully explained the chemical bond, introducing the term electronegativity, he won the Nobel Prize in Chemistry in 1954 and in recognition of his fight against the military use of atomic energy, he was awarded the Nobel Peace Prize in 1962.
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The beginning of the current chemical can place it in 1887, coinciding with the publication by the Swedish Svante Arrhenius's theory of electrolytic dissociation, this is the breakdown of a substance by the action of the electric current.
