Periodic table welcomes 4 new elements

Kosuke Morita of Riken Nishina Center for Accelerator-Based Science points at periodic table of the elements during a press conference in Wako, Saitama prefecture, near Tokyo Thursday, Dec. 31, 2015. A team of Japanese scientists have met the criteria for naming a new element, the synthetic highly radioactive element 113, more than a dozen years after they began working to create it. Morita was notified of the decision on Thursday by the U.S.-based International Union of Pure and Applied Chemistry. (Kyodo News via AP)

INDIANAPOLIS (WISH) — For the first time since 2011, the scientific periodic table is being updated.

Scientists in Japan, Russia and America have discovered four new elements.

Elements 113, 115, 117 and 118 have been formally recognized by the International Union of Pure and Applied Chemistry.

The discovery of the new elements means the seventh row of the periodic table is finally complete.

The periodic table categorizes chemical elements according to their atomic number.

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