4 New Elements Are Added to The Periodic Table

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IUPAC (International Union of Pure and Applied Chemistry) announces the verification of the discoveries of elements 113, 115, 117 and 118. The 7th period of the periodic table of elements (first imagined by Mendeleev in 1869) is on now complete!

2016 periodic table of elements

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table-Ostwald

1898 periodic table of elements