Ununpentium-288 has a half-life of 173 ms.
ununpentium
Impossible, ununpentium is an artificial element.
Ununpentium, with the chemical symbol Uup, has the atomic number 115.
Decay products of ununpentium are ununtrium isotopes.
Uup
Insufficient quantities obtained to study this artificial element; but ununpentium is supposed to be a solid nonmetal.
element 115 is real. It is known as ununpentium.
Ununpentium is a provisional name for the artificial radioactive element with the atomic number 115. In the periodic table of Mendeleev Uup is situated in the group 15, period 7.The names of new chemical elements is regulated by IUPAC rules, seePure Appl. Chem., Vol. 74, No. 5, pp. 787--791, 2002.The word is composed from:un=1, un=1, pentium=5; derived from the Latin language.
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.
Uup, or ununpentium with 115 electrons
At present, the element has been labeled as ununpentium, which refers to its position in the periodic table- 115th.
Ununpentium (Uup) has 115 protons.