It’s Time to Update the Periodic Table, Again

The periodic table just got a little bigger.

The International Union of Pure and Applied Chemistry (IUPAC) has officially confirmed the existence of four new elements with atomic numbers 113, 115, 117 and 118, completing the seventh row, or period, of the periodic table.

Filling Up the Periodic Table
The elements’ existence has been documented by researchers from Russia and the United States, as well as a separate team from Japan, for several years, but they awaited official review by

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