Seaborgium
(Redirected from Unnilhexium)
Seaborgium is a chemical element with the symbol Sg and atomic number 106. It is named after the American nuclear chemist Glenn T. Seaborg, a pioneer in the discovery of synthetic elements. As a synthetic element, seaborgium is not found in nature and can only be created in a laboratory through the collision of atomic particles. It was first synthesized in 1974 by a team of scientists at the Lawrence Berkeley National Laboratory in the United States.
Properties and Characteristics[edit | edit source]
Seaborgium is a member of the transactinide elements and the period 7 elements in the Periodic Table, belonging to the group 6 elements alongside chromium, molybdenum, and tungsten. Due to its extremely short half-life and the tiny amounts in which it is produced, little is known about the physical and chemical properties of seaborgium. However, it is predicted to be a metal and possibly exhibits characteristics similar to its lighter homologs, such as forming a stable +6 oxidation state.
Synthesis and Isotopes[edit | edit source]
Seaborgium is produced in particle accelerators by bombarding lighter elements with ions. The most common method involves the fusion of lead or bismuth with chromium. Several isotopes of seaborgium have been identified, with isotopes ranging in atomic mass from 258 to 271. The most stable isotope, seaborgium-269, has a half-life of approximately 14 minutes, making experimental studies of seaborgium challenging.
Applications[edit | edit source]
Due to its short half-life and the difficulty in producing seaborgium, practical applications are currently non-existent. The research surrounding seaborgium and other transactinides is primarily of academic interest, contributing to the understanding of nuclear properties and the boundaries of the periodic table.
Discovery and Naming[edit | edit source]
The discovery of seaborgium was the result of a competition between two research teams: one led by Albert Ghiorso at the Lawrence Berkeley National Laboratory in the United States and the other by a Soviet team at the Joint Institute for Nuclear Research in Dubna, Russia. After initial claims and disputes, the International Union of Pure and Applied Chemistry (IUPAC) officially recognized the discovery of seaborgium in 1997 and approved its name in honor of Glenn T. Seaborg, making it the first element to be named after a living person at the time of its naming.
See Also[edit | edit source]
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