Ununpentium was discovered in a nuclear physics laboratory.
Impossible, ununpentium is an artificial element.
Ununpentium is a member of the transactinoids family.
Ununpentium is a member of the transactinoids family.
Ununpentium, with the chemical symbol Uup, has the atomic number 115.
Ununpentium is a member of the transactinoids family.
The neutral atom of ununpentium has 115 electrons.
Ununpentium is obtained by nuclear reactions in ion accelerators.
The heaviest element announced in February 2004 was ununpentium with the atomic number 115.
After the IUPAC tables from 2009 the atomic mass of ununpentium is [289].
Ununpentium-288 has a half-life of 173 ms.
Decay products of ununpentium are ununtrium isotopes.
The expected answer is element 115, Ununpentium, if that has been discovered. Among stable elements, the answer would be bismuth.