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 ...

The story of the last element to be discovered out of the first 92 catalogued in the periodic table is told by Eric ... this because even the longest-lived isotope of the element has a half ...

They all have a link to the periodic table, which turned 150 in 2019! Here are some fascinating elements that you may ... its radioactive isotope Kr-85 was used to estimate how quickly the Russian ...

Most elements ... stable isotopes, which require analysis on a species-by-species basis, deuterium signatures can be used to create a continental isotopic map, which is applicable to all migratory ...

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 ...