Periodic table of the elements
RoentgeniumUnunbiumUnuntrium
112
Uub
Ununbium
(285)
2
8
18
32
32
18
2
112
Uub
Ununbium
(285)
2
8
18
32
32
18
2
General
NameUnunbium
SymbolUub
Number112
Chemical seriesTransition elements
Group / Period12 / 7
Blockd-block
CAS registry number54084-26-3

Ununbium is a radioactive element

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

Atomic properties
Atomic Weight(285) g/mol
Crystal structure
Electronegativity
Atomic radius
Atomic radius (calculated)
Electron configuration[Rn] 5f14 6d10 7s2
Electrons per shell2, 8, 18, 32, 32, 18, 2
Number of protons112
Number of neutrons173

Other languages
SpanishUnunbio
PortugueseUnúnbio
FrenchUnunbium
GermanUnunbium
ItalianUnunbio
RussianУнунбий
PolishUnunbium
Chinese
Arabicأنون بيوم
TurkishUnunbiyum
DutchUnunbium


Periodic table of the elements
RoentgeniumUnunbiumUnuntrium