|The element 115, Ununpentium, Uup was synthesized in summer 2003 at the U400 cyclotron with the Dubna gas-filled recoil separator, at the Flerov Laboratory of Joint Institute for Nuclear Research, Dubna, Russia (Yu. Ts. Oganessian et al.) with subsequent publishing only in February 2004.|
The name Ununpentium (symbol Uup) is a temporary IUPAC systematic chemical element name for element 115. This name will be changes in future. Another temporary name for this element is eka-bismuth.