These isotopes are essential for making targets ... ran “cold fusion” experiments that extended the periodic table from element 107 to 112. They bombarded a heavy target of lead or bismuth ...

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 ...

Isotope hydrology helps governments find and understand the source of their water supplies – so they can develop management systems to reduce the risks of conflict and build resilience to drought.

The high relative abundance of these tellurium isotopes gives tellurium ... so these elements are in the correct order in the modern periodic table.

MC-ICPMS has also opened up exploration of the periodic table leading to the discovery of small, but significant, natural isotopic variations in a number of elements ... for measuring low-level ...

When the first periodic table was formulated by Mendeleev ... We know this because even the longest-lived isotope of the element has a half-life that is too short in comparison with the age ...

While the number of protons defines the element (e.g., hydrogen, carbon, etc.) and the sum of the protons and neutrons gives the atomic mass, the number of neutrons defines the isotope of that element ...