Unbihexium

Unbihexium is the temporary name of an undiscovered superheavy chemical element with temporary symbol Ubh and atomic number 126. The element, also known as eka-plutonium or simply element 126, is predicted to be near the centre of the hypothesized island of stability, and thus may have a very long half-life, much greater than what would be predicted without the island of stability. Because of this, it has attracted interest from researchers trying to synthesize it.