Superheavy elements are elements with atomic numbers greater than that of uranium (atomic number 92). These elements are extremely rare and unstable, with nuclei that contain a large number of protons and neutrons. They are typically produced artificially in particle accelerators by bombarding heavy nuclei with other nuclei, creating new elements through nuclear fusion reactions.
Because of their large nuclei and high numbers of protons, superheavy elements are generally highly unstable and decay quickly through radioactive decay processes. Many of these elements exist only for fractions of a second before decaying into lighter elements. Some of the most well-known superheavy elements include elements like darmstadtium (atomic number 110), roentgenium (atomic number 111), and copernicium (atomic number 112), though scientists have synthesized even heavier elements in recent years.
Superheavy elements are of great interest to physicists and chemists because they can provide insights into the fundamental properties of matter and the limits of the periodic table. They also play a role in understanding the stability of atomic nuclei and the processes that occur during stellar nucleosynthesis.