Ununseptium
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Ununseptium is the temporary name of a chemical element. It has not been discovered. It has the temporary symbol Uus. The element would have the atomic number 117. Ununseptium can also be named eka-astatine.
[edit] History
Ununseptium has not yet been discovered. If discovered it is most likely to be a synthetic element. The name is to fill the gap in the periodic table.
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Ununseptium