It is easy to show that two elements of different atomic weight must differ either in their chemical or in their physical properties. If elements are inseparable chemically their affinity A must ...

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.

On 24 February, the U.S. Department of Energy Office of Science (DOE-SC) approved construction of a $48.5 million instrument ...

Stable isotopes are non-radioactive forms of atoms. Although they do not emit radiation, their unique properties enable them to be used in a broad variety of applications, including water and soil ...

High-speed beam line. FRIB is already recognized as one of the world’s leading rare isotope accelerators. The facility aims ...

Electron shells are mentioned. Two extra neutrons are added to make an unstable isotope which explodes at the end. This clip could be used to illustrate and introduce the concept of isotopes as an ...

For the first time, scientists have characterized a promethium coordination complex, advancing the understanding of ...

Promethium’s short half-life and lack of stable isotopes makes it difficult to study. In addition, promethium is difficult to ...