Isotopes Of Ununoctium
Ununoctium (Uuo) is an artificial element, and thus a standard atomic mass cannot be given. Like all artificial elements, it has no stable isotopes. The first (and so far only) isotope to be synthesized was 294Uuo in 2006; it has a half-life of 890 microseconds.
Read more about Isotopes Of Ununoctium: Table, Theoretical, Target-projectile Combinations Leading To Z=118 Compound Nuclei, Theoretical Calculations On Evaporation Cross Sections