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Ununbium


112

Uub

Ununbium
285.00000
2
8
18
32
8
2
2
24

Source

Ununbium is a chemical element with symbol Uub and atomic number 112. It is a superheavy artificial element that is an intermediate element in the periodic table that has no stable isotopes. It is named after the first artificially produced element, Uun, which itself has only one stable isotope, ununbium-289.