Four have filled gaps in the periodic table of 92 elements and five have extended it beyond uranium By I. Perlman & G. T. Seaborg Join Our Community of Science Lovers!

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 ...

The periodic table of elements is a landmark categorization developed in 1869 by the Russian chemist and inventor Dmitri ...

The periodic table may have just gotten a little bigger ... periodic tables currently list element 113 as Ununtrium (Uut), a temporary name for a synthetic element with 113 protons in its nucleus—but ...

Want to learn more about this centerpiece of chemistry? Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out ...

More than 75 years after its initial discovery, scientists have created an organometallic molecule containing the transuranium element berkelium. According to a new study, the electronic signature of ...

The list now extends to element 103, and plans are afoot to make some of the rarer elements in quantity By Glenn T. Seaborg & Arnold R. Fritsch Join Our Community of Science Lovers!