Periodic Table
Category: Other
Updated: 28 Sep 2021
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Created bychamath bambarandage
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Events
Elements are DefinedJohn Dobereiner P2John NewlandsLothar Meyer(table)Demitri Mendeleev(table)Lord Rayleigh(noble gas)William Ramsey(noble gas)Henry Mosely(table)Glenn Seaborg(lanthanide and actinide series)First text bookAtomic weightsWilliam ProutJohann Wolfgang P1Important ConferenceInert gasesHenry CavendishHeliumArgonNeonThe importance of 1896Changes to the periodic table P1Changes to the periodic table P2Changes to the periodic table P3RadioactivityRadioactivity P2Radioactivity P3Atomic numberElectron shell and quantum mechanicsValence bond theoryQuantum mechanicsLater expansions and the end of the periodic tableLater expansions and the end of the periodic table P2Grouping
Events
First Element
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