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Chemistry — Discovery of the Elements

From phosphorus to oganesson.

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Discovery of the elements168017001720174017601780180018201840186018801900192019401960198020002020Milestones1669Phosphorus isolated (Brand)1772Nitrogen identified1774Oxygen isolated1869Mendeleev's periodic table1898Radium and polonium (Curies)1940First synthetic element (neptunium)2016Period 7 completed (oganesson)

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title "Discovery of the elements"
axis 1669 2025
lane "Milestones"
event 1669 "Phosphorus isolated (Brand)"
event 1772 "Nitrogen identified"
event 1774 "Oxygen isolated"
event 1869 "Mendeleev's periodic table"
event 1898 "Radium and polonium (Curies)"
event 1940 "First synthetic element (neptunium)"
event 2016 "Period 7 completed (oganesson)"