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Ununseptium



         


Ununhexium - Ununseptium - Ununoctium
At
Uus
   
 
 

Predicted properties
Name, Symbol, NumberUnunseptium, Uus, 117
Chemical seriesPresumably Halogens
Group, Period, Block17, 7 , p
Appearance unknown, but probably metallic
and dark in appearance
Atomic weight [291] amu(A Guess)
Electron configuration [Rn] 5f14 6d10 7s27p5
(a guess based upon astatine)
e- 's per energy level2, 8, 18, 32, 32, 18, 7
State of matter presumably a solid

Ununseptium is the temporary name of an undiscovered chemical element in the periodic table that has the temporary symbol Uus and has the atomic number 117.

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History

Ununseptium has not yet been discovered.

Ununseptium is a temporary IUPAC systematic element name.

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