Unbioctium

Unbioctium is the temporary systematic name assigned to the hypothetical element with atomic number 128. No element with this atomic number has been discovered.

Connect

Atomic number: The number of protons in an atom’s nucleus, which identifies its chemical element. The number 128 in Unbioctium’s designation specifies its proton count.
Superheavy element: A chemical element with an atomic number above 103, whose nuclei are highly unstable. Element 128 would belong to this class if it were synthesized.
Superheavy element research: Experimental and theoretical work on producing, identifying, and explaining elements beyond the actinides. Element 128 is a prospective target of this research.
Oganesson: The confirmed chemical element with atomic number 118, the heaviest element currently recognized. Unlike Unbioctium, Oganesson has been synthesized and officially named.
Element synthesis: The creation of atomic nuclei with specified proton numbers through nuclear reactions. A verified synthesis is the first unresolved step for Unbioctium.
Periodic table: A tabular arrangement of chemical elements ordered by atomic number and grouped by recurring properties. Element 128 would extend the table beyond all currently confirmed elements.
Island of stability: A predicted region of unusually long-lived superheavy nuclei associated with particular proton and neutron counts. Its predictions shape speculation about whether nuclei near atomic number 128 could persist.
Heavy-ion accelerator: A particle accelerator that propels heavy atomic nuclei to high energies for nuclear experiments. Accelerators can create collisions intended to fuse nuclei into superheavy elements.
IUPAC: The international scientific organization that standardizes chemical nomenclature and evaluates claims of element discovery. IUPAC assigns temporary systematic names and reviews claims concerning new elements.
Nuclear stability: The tendency of an atomic nucleus to resist spontaneous decay or breakup. The lifetime of a nucleus with 128 protons is unknown.