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, also known as the periodic table of (the) chemical elements, is a tabular display of the chemical elements. It is widely used in chemistry, physics, and other sciences, and is ...

Nihonium (Nh), a radioactive synthetic element, joined the periodic table of elements in November five years ago with the atomic number 113. More than a century ago, a similar sounding 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 ...

The periodic table of elements (often known simply as the periodic table) has been helping scientists with their work for a little over 150 years. The handy visual reference guide organizes known ...

Three earlier articles in this magazine described the synthesis of elements through element 103. Recent investigations suggest the possibility of extending the list to element 114 and beyond ...