The periodic table is an arrangement of the chemical elements, structured by their atomic number, electron configuration and recurring chemical properties. In the basic form, elements are presented in
The American chemist Glenn T. Seaborg—after whom the element seaborgium is named—standing in front of a periodic table, May 19, 1950
Hennig Brand, as shown in The Alchemist Discovering Phosphorus
Geoffroy's 1718 Affinity Table: at the head of each column is a chemical species with which all the species below can combine. Some historians have defined this table as being the start of the chemical revolution.
Dalton's 1806 list of known elements by atomic weight
Dmitri Mendeleev
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Dmitri Ivanovich Mendeleev was a Russian chemist known for formulating the periodic law and creating a version of the periodic table of elements. He used the periodic law not only to correct the then-
History of the periodic table
…properties of the elements, with major contributions made by Antoine-Laurent de Lavoisier, Johann Wolfgang Döbereiner, John Newlands, Julius Lothar Meyer, Dmitri Mendeleev, Glenn T. Seaborg, and others. In the 5th century BCE, Leucippus and his pupil Democritus proposed that all matter was composed of small indivisible…
Dmitri Mendeleev
Mendeleev's 1871 periodic table
Mendeleev, Alfred Werner, Adolf von Baeyer, and other prominent chemists
Mendeleev Medal