Promethium is extremely rare, with only about 0.5 kg naturally occurring in Earth’s crust at any given time.
Conceptual art shows the rare earth element...
The rapid neutron capture process, or the so-called r-process, occurs in neutron-rich environments such as neutron star mergers or certain types of supernovae....
Scientists at the University of St Andrews, UK, believe they have found the earliest surviving example of a classroom periodic table.
The St Andrews periodic...
At 150 years old, the periodic table of chemical elements is still growing. In 2016, four new elements with atomic numbers 113, 115, 117 and 118 were added...
An international team of chemists led by Florida State University researchers has found that the theory of quantum mechanics does not adequately explain...
In a paper to be published in the journal Physical Review Letters (arXiv.org preprint), Professor George Fuller of the University of California, San Diego,...
The 7th period of the periodic table now has four new elements: element 113 (temporarily named as Ununtrium, or Uut), element 115 (Ununpentium, or Uup),...