Ununpentium is the temporary name of a synthetic superheavy element in the periodic table that has the temporary symbol Uup and has the atomic number 115. It is placed as a heavier homologue to bismuth and the heaviest member of group 15.Symbol: Uup
Atomic number: 115
Discovered: 2004
CAS ID: 54085-64-2
Atomic mass: 288 u
Chemical series: Metal