Periodic table of the elements
LivermoriumUnunseptiumUnunoctium
117
Uus
Ununseptium
(290)
2
8
18
32
32
18
7
117
Uus
Ununseptium
(290)
2
8
18
32
32
18
7
General
NameUnunseptium
SymbolUus
Number117
Chemical series
Group / Period17 / 7
Blockp-block
CAS registry number87658-56-8

Physical properties
Statesolid
Density g/cm3
Melting point
Boiling point
Critical point

Atomic properties
Atomic Weight(290) g/mol
Crystal structure
Electronegativity
Atomic radius
Atomic radius (calculated)
Electron configuration[Rn] 5f14 6d10 7s2 7p5
Electrons per shell2, 8, 18, 32, 32, 18, 7
Number of protons117
Number of neutrons174

Other languages
SpanishUnunseptio
PortugueseUnunséptio
FrenchUnunseptium
GermanUnunseptium
ItalianUnunseptio
RussianУнунсептий
PolishUnunseptium
Chinese
Arabicأنون سيبتيوم
TurkishUnunseptiyum
DutchUnunseptium


Periodic table of the elements
LivermoriumUnunseptiumUnunoctium