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Ununseptium


117

Uus

Ununseptium
294.00000
2
8
18
32
8
2
2
29

Source

Ununseptium is a synthetic chemical element with symbol Uus and atomic number 117. It is a member of the 7th period transition elements and is sometimes symbolized by the Greek word usuku, which means "9". It is a superheavy artificial element and is only found in compounds that have been artificially created.