These elements, with atomic numbers of 113, 115, 117, and 118 comprise the missing parts of period 7 – the lowest row – of the periodic table. Now, IUPAC, the International Union of Pure and ...

Eighty out of the first 82 elements in the periodic table have stable isotopes. Measuring and analysing their distribution allows for many practical applications. The IAEA assists Member States in ...

Carolyn Krause presents the second part of the three-part series on the Oak Ridge National Laboratory's role in the discovery of elements in the periodic table. Many of them have been synthesized ...