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The Periodic Table is the most representative icon of chemistry, because it contains all the chemical elements currently known, which constitute the true bricks of the universe. In 1869 the Russian chemist Dimitri Mendeleyev published his first periodic table, placing in order the 63 elements known at the time. On 28 November 2016 IUPAC announced the official names and the symbols of four elements, defining the current Periodic Table with 118 elements.

The Periodic Table at the University of Murcia