Coparnaiciam (Cn)

chemical element with symbol Cn and atomic number 112

Atomic Number	112
Atomic Weight	285
Núicléónuimhir	276

Group	12
Period	7
Block	d

prótón	112 p⁺
neodrón	164 n⁰
leictreon	112 e^-

Animated Samhail Bohr of Cn (Coparnaiciam)

Physical Property

Ga Adamhach
molar volume
covalent radius	122 pm 137 pm 130 pm
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
dlús	14 g/cm³

Chemical Property

fuinneamh

proton affinity
electron affinity
ionization energy
enthalpy of vaporization
enthalpy of fusion
eantalpacht chaighdeánach an fhoirmithe
leictreon

electron shell	2, 8, 18, 32, 32, 18, 2

Fiúsleictreon	2 ⓘ

cumraíocht leictreon	[Rn] 5f¹⁴ 6d¹⁰ 7s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f¹⁴ 6d¹⁰ 7s²

Staid ocsaídiúcháine	2
Leictridhiúltacht
Electrophilicity Index
fundamental state of matter

phase of matter	Liquid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
dath	Colorless
appearance
Comhéifeacht athraonta
thermodynamic material property
Thermal Conductivity
Forbairt theirmeach
molar heat capacity
Specific Heat Capacity
Cóimheas saintoilleadh teasa
electrical properties
type
electrical conductivity
Friotachas
Forsheoltacht
Maighnéadas
type
So-ghabhálacht mhaighnéadach (Mass)
So-ghabhálacht mhaighnéadach (Molar)
So-ghabhálacht mhaighnéadach (Volume)
magnetic ordering
Teocht Curie
Néel temperature
struchtúr
Crystal Structure	{ERROR}
lattice constant
Lattice Angles
airíonna meicniúla
Cruas
Modal toirte
modal fiartha
modal Young
Cóimheas Poisson
luas forleata fuaime
aicmiúchán
Category	Transition metals, Transition metals
CAS Group	IIB
IUPAC Group	IIB
Glawe Number
Mendeleev Number	80
Pettifor Number
Geochemical Class
Goldschmidt classification	synthetic

eile

Gas Basicity
polarizability	28 ± 2 a₀
C6 Dispersion Coefficient
allotrope
Crosghearradh
Neutron Mass Absorption
Uimhir chandamach	1S0
space group	()

Isotopes of Copernicium

Stable Isotopes	0
Unstable Isotopes	13
Natural Isotopes	0

²⁷⁶Cn

Núicléónuimhir	276
neutron number	164
Mais Adamhach Choibhneasta	276.161418 ± 0.000537 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh
Paireacht	+

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁷⁷Cn

Núicléónuimhir	277
neutron number	165
Mais Adamhach Choibhneasta	277.163535 ± 0.000165 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	790 ± 330 us
Guairne
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1996
Paireacht

decay mode	intensity
α (α emission)	100%

²⁷⁸Cn

Núicléónuimhir	278
neutron number	166
Mais Adamhach Choibhneasta	278.164083 ± 0.00047 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh
Paireacht	+

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁷⁹Cn

Núicléónuimhir	279
neutron number	167
Mais Adamhach Choibhneasta	279.166422 ± 0.000424 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh
Paireacht

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁸⁰Cn

Núicléónuimhir	280
neutron number	168
Mais Adamhach Choibhneasta	280.167102 ± 0.000626 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh
Paireacht	+

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁸¹Cn

Núicléónuimhir	281
neutron number	169
Mais Adamhach Choibhneasta	281.169563 ± 0.000427 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	180 ± 80 ms
Guairne
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	2010
Paireacht

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)

²⁸²Cn

Núicléónuimhir	282
neutron number	170
Mais Adamhach Choibhneasta	282.170507 ± 0.000588 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	1.1 ± 0.3 ms
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	2004
Paireacht	+

decay mode	intensity
SF (spontaneous fission)	100%
α (α emission)

²⁸³Cn

Núicléónuimhir	283
neutron number	171
Mais Adamhach Choibhneasta	283.173202 ± 0.00066 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	4.7 ± 0.8 s
Guairne
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	2004
Paireacht

decay mode	intensity
α (α emission)	81%
SF (spontaneous fission)	19%

²⁸⁴Cn

Núicléónuimhir	284
neutron number	172
Mais Adamhach Choibhneasta	284.17436 ± 0.000819 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	102 ± 17 ms
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	2004
Paireacht	+

decay mode	intensity
SF (spontaneous fission)	100%

²⁸⁵Cn

Núicléónuimhir	285
neutron number	173
Mais Adamhach Choibhneasta	285.177227 ± 0.000544 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	30 ± 8 s
Guairne
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	2004
Paireacht

decay mode	intensity
α (α emission)	100%

²⁸⁶Cn

Núicléónuimhir	286
neutron number	174
Mais Adamhach Choibhneasta	286.178691 ± 0.000751 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	30 ± 30 s
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	2016
Paireacht	+

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)

²⁸⁷Cn

Núicléónuimhir	287
neutron number	175
Mais Adamhach Choibhneasta	287.181826 ± 0.000751 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh
Paireacht

decay mode	intensity
α (α emission)
SF (spontaneous fission)

²⁸⁸Cn

Núicléónuimhir	288
neutron number	176
Mais Adamhach Choibhneasta	288.183501 ± 0.000751 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh
Paireacht	+

decay mode	intensity
α (α emission)
SF (spontaneous fission)

stair

fionnachtaí nó aireagóir	GSI Helmholtz Centre for Heavy Ion Research
áit ar tháinig air/uirthi	Germany
dáta fionnachtana nó tionscnaimh	1996
Sanasaíocht	Named in honor of the astronomer Nicolaus Copernicus.
pronunciation

foinse

Abundance
Abundance in Earth's crust
natural abundance (aigéan)
natural abundance (corp an duine)	0 %
natural abundance (dreigeoideach)	0 %
natural abundance (An Ghrian)	0 %
Abundance in Universe	0 %

Nuclear Screening Constants

Coparnaiciam on ChemicalAid

Coparnaiciam (Cn)

Physical Property

Chemical Property

eile

Isotopes of Copernicium

276Cn

277Cn

278Cn

279Cn

280Cn

281Cn

282Cn

283Cn

284Cn

285Cn

286Cn

287Cn

288Cn

stair

foinse

Nuclear Screening Constants

²⁷⁶Cn

²⁷⁷Cn

²⁷⁸Cn

²⁷⁹Cn

²⁸⁰Cn

²⁸¹Cn

²⁸²Cn

²⁸³Cn

²⁸⁴Cn

²⁸⁵Cn

²⁸⁶Cn

²⁸⁷Cn

²⁸⁸Cn