Two of the heaviest elements on the periodic table were officially named on Thursday (May 31). The man-made elements 114 and 116, which contain 114 and 116 protons per atom, respectively, are now ...

NEW YORK -- They exist for only seconds at most in real life, but they've gained immortality in chemistry: Two new elements have been added to the periodic table. The elements were recognized by an ...

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For now, they’re known by working names, like ununseptium and ununtrium — two of the four new chemical elements whose discovery has been officially verified. The elements with atomic numbers 113, 115, ...

Chemistry textbooks as we know it are officially out of date, as four new elements will soon be added to the periodic table. Elements 113, 115, 117 and 118 have formally been recognized by the ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Chemistry textbooks as we know it are ...