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Antoine Lavoisier wrote the first extensive list of elements containing 33 elements & distinguished between metals and non-metals
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Antoine Lavoisier wrote the first extensive list of elements containing 33 elements & distinguished between metals and non-metals
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Johann Dobereiner developed groups of 3 elements with similar properties
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Johann Dobereiner developed groups of 3 lements with simular properties
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John Newlands arranged the known elements in order of atomic weights & observed similarities between some elements
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Dmitri Mendeleev produced a table based on atomic weights but arranged 'periodically' with elements with similar properties under each other. His Periodic Table included the 66 known elements organized by atomic weights.
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Johann Dobereiner developed groups of 3 elements with similar properties
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he discovered the noble gases
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Glenn Seaborg synthesised transuranic elements (the elements after uranium in the periodic table)
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