An international team of researchers, led by scientists from GSI/FAIR in Darmstadt, Germany, has studied r-process ...

The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements. The chemical elements are arranged from left to right and top to ...

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications.

The elements were placed in the periodic table’s seventh row, which is above the row of lanthanides and the row of actinides. In the 1980s and 1990s, Roberto noted, scientists at the GSI Helmholtz ...

World's Oldest Periodic Table Found in Storage For electrons, the shell levels are full at 2 in the first, 8 in the second, and so forth. Overall, the numbers representing full-up electron shells ...

Here’s how long the periodic table’s unstable elements last. Some of these isotopes have half-lives of seconds or less, while others last and last ...

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 ...

This is the second part of a three-part series written by Carolyn Krause. Many of the elements were synthesized using an Oak Ridge reactor.

Periodic table gets some flex. Committee’s revisions give chemical isotopes their due. Share this: Email; Facebook; ... enter your e-mail address for full access to the Science News archives and ...

When Einstein wrote that message, uranium was the heaviest known element and sat immediately below tungsten in the periodic table. It didn’t hold either position for long.

Brigitte Van Tiggelen is a historian of chemistry and director for European operations at the Science History Institute, Philadelphia, Pennsylvania, USA. She is co-editor of the forthcoming book ...