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A Book Called "The Sceptical Chymist" was published
It contains some of the earliest information about atoms, molecules, and chemical reactions -
Antoine Lavoisier created the first list of 33 elements
It included elements, as well as metals, and non-metals -
Jakob Berzelius made a table with atomic weights, as well as letters to symbolize elements
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Johann Dobereiner made groups for three elements with similar properties
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John Newlands arranged all known elements in an order based on atomic weight
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An early version of the periodic table was created with 28 different elements, by Lothar Meyer
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The noble gasses were discovered by William Ramsay
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Henry Moseley figured out the atomic number for each element, as well as modifying the "Periodic Law"
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Glenn Seaborg produced heavy mass elements, for a new block on the periodic table, the "actinides"
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Four new elements were added to the Periodic Table
-113 Nihonium
-115 Moscovium
-117 Tennessine
-118 Oganesson