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In 1669 German merchant and amateur alchemist henring brand attempted to created a philasopher's stone an object that supposedly could turn metal into pure gold
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In 1680 Robert Boyle also discovered phosphorus and it became public
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English chemist John newland divided the than discovered 56 elements into 11 groups, based on characteristics
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Russian chemist dimitr Mendeleev started the development of the periodic table arranging chemist elements by atomic mass
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Franchise physicist Antonio beguerel first discovered radioactivity .thomson student from from New Zealand errest ratherford named three types of radiation , alpha ,beta and gamma ray .marie and Pierre cuisine started working on the radiation
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In 1804 at least 47 elements were descovered and began to see patterns in the characteristics