Dmitri Mendeleev was the first scientist to make a periodic table much like the one we use today. Mendeleev arranged the elements in a table ordered by atomic mass. On March 6, 1869, a formal presentation was made to the Russian Chemical Society, entitled "The Dependence Between the Properties of the Atomic Weights of the Elements".
Mendeleev predicted the discovery of other elements and pointed out that some of the then-current atomic weights were incorrect.His table did not include any of the noble gases, which hadn't been discovered.
Mendeleev's paper was published only a few months before an independent paper by a German chemist, Julius Lothar Meyer, who had refined a more primitive table that he had originally drawn up in 1864. An English chemist, William Odling, also drew up a table that is remarkably similar to that of Dmitri Mendeleev in 1864.
The last major changes to the periodic table resulted from Glenn Seaborg's work in the middle of the 20th Century.He discovered all the transuranic elements from 94 to 102.In 1951, Seaborg was awarded the Nobel Prize in chemistry for his work. Element 106 has been named seaborgium in his honor.
Periodic Table
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