Ununtrium, ununpentium, ununseptium and ununoctium are the tentative names for the four newest members of the periodic table of elements. The International Union of Pure and Applied Chemistry (IUPAC), ...
It’s official: four new superheavy elements are joining the periodic table. The newcomers, elements 113, 115, 117, and 118, currently have placeholder names. The International Union of Pure and ...
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