Periodic table of the elements
RoentgeniumCoperniciumNihonium
112
Cn
Copernicium
(285)
2
8
18
32
32
18
2
112
Cn
Copernicium
(285)
2
8
18
32
32
18
2
General
NameCopernicium
SymbolCn
Number112
Chemical seriesTransition elements
Group / Period12 / 7
Blockd-block
CAS registry number54084-26-3

Copernicium 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
SpanishCopernicio
PortugueseCopernício
FrenchCopernicium
GermanCopernicium
ItalianCopernicio
RussianКоперниций
PolishCopernicium
Chinese
Arabicكوبرنيسيوم
TurkishKopernikyum
DutchCopernicium


Periodic table of the elements
RoentgeniumCoperniciumNihonium