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 ...

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 ...

"The creation of heavy elements such as uranium and plutonium necessitates extreme conditions," said physicist Matthew ...

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!

Based on accepted cosmological models, hydrogen and helium were the only elements in the earl. These coalesced to form the ...

"The creation of heavy elements such as uranium and plutonium necessitates ... The key to producing the heaviest elements on the periodic table is known as the rapid neutron-capture process ...