The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

A total of 25 transuranium elements have now been artificially ... This podcast is about one of these elements, number 107 in the periodic table, called bohrium. Transuranium elements are essentially ...

Represented in the periodic table as Zn ... plus an extra 25 radioisotopes. Because of its hazy origins, it's difficult to pin down one person as the discoverer of the element. Although it seems to ...

For the last fifty or so years, the periodic table has been incomplete. Elements after uranium on the periodic table have been synthesized for the past few decades, but there were always a few ...

This year marks the 150th anniversary of the publication of Mendeleev’s Periodic Table of Chemical Elements in 1869. In celebration, the United Nations Educational, Scientific, and Cultural ...