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 ...

The timescale of this integration depends on the element turnover rate of the tissue or pool in question. In addition, the isotope ratios of well-mixed environmental reservoirs, such as the atmosphere ...

Various chemical analyses by the Italian team revealed a new element, which could be extracted by boiling with sodium hydroxide ... even the longest-lived isotope of the element has a half-life ...

Elements and their isotopes have “magic ... In a phenomenon known as the island of inversion, isotopes of neon, sodium, 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 ...