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Dmitri Mendeleev
Drew up the periodic table in 1869, leaving gaps for elements still to be found and predicting their properties.
On the timeline
Mendeleev's first table
Sorting cards of the elements by atomic weight, Dmitri Mendeleev saw their properties repeat, and drew up his first periodic table. He left gaps for elements still to be found.
Mendeleev: the man and his legacyRSC Education
Element
In 1955 Albert Ghiorso, Bernard Harvey, Gregory Choppin, Stanley Thompson and Glenn Seaborg, at Berkeley, made 17 atoms of element 101 in an all-night experiment. They named it mendelevium, after Dmitri Mendeleev.
Their table
Keep exploring
Where the dates and stories on this page come from; each event on the timeline links to its own source.
- Dmitri MendeleevEncyclopaedia Britannica
- MendeleviumRoyal Society of Chemistry
- Dmitri MendeleevWikipedia