Kopernicium (Cn)

grundstof med atomnummer 112

Atomnummer	112
Atommasse	285
mass number	276

Gruppe	12
Periode	7
Blok	d

proton	112 p⁺
neutron	164 n⁰
elektron	112 e^-

Animated Bohrs atommodel of Cn (Kopernicium)

Fysisk Egenskab

Atomradius
molar volume
Kovalent Radius	122 pm 137 pm 130 pm
Metallic Radius
Ionisk radius
Crystal Radius
Van der Waals-radius
massefylde	14 g/cm³

Kemisk Egenskab

energi

proton affinity
electron affinity
ioniseringsenergi
Fordampningsvarme
smeltevarme
standard enthalpy of formation
elektron

Elektronskal	2, 8, 18, 32, 32, 18, 2

Valenselektron	2 ⓘ

electron configuration	[Rn] 5f¹⁴ 6d¹⁰ 7s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f¹⁴ 6d¹⁰ 7s²

Oxidationstrin	2
Elektronegativitet
Electrophilicity Index
fundamental state of matter

stoffase	Væske
gaseous state of matter
Kogepunkt
Smeltepunkt
critical pressure
critical temperature
trippelpunkt
appearance
farve	Colorless
appearance
Brydningsindeks
materialeegenskab
Varmeledningsevne
Termisk ekspansion
molar heat capacity
Varmefylde
Adiabateksponenten
electrical properties
type
specifik ledningsevne
Elektrisk resistivitet
superledning
Magnetisme
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curietemperaturen
Néel temperature
struktur
Krystalstruktur	()
lattice constant
Lattice Angles
mechanical property
hårdhed
Kompressibilitetsmodul
Forskydningsmodul
E-modul
Poissons forhold
speed of sound
klassificering
Kategori	Overgangsmetaller, Transition metals
CAS Group	IIB
IUPAC Group	IIB
Glawe Number
Mendeleev Number	80
Pettifor Number
Geochemical Class
Goldschmidt classification	synthetic

øvrige

Gas Basicity
polarizability	28 ± 2 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
quantum number	1S0
rumgruppe	()

Isotopes of Copernicium

Stable Isotopes	0
Unstable Isotopes	13
Natural Isotopes	0

²⁷⁶Cn

mass number	276
neutron number	164
Relative Atomic Mass	276,161418 ± 0,000537 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	0
nuclear quadrupole moment	0
opdagelsesdato
Paritet	+

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

²⁷⁷Cn

mass number	277
neutron number	165
Relative Atomic Mass	277,163535 ± 0,000165 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	790 ± 330 us
spin
nuclear quadrupole moment
opdagelsesdato	1996
Paritet

decay mode	Intensitet
α (α emission)	100%

²⁷⁸Cn

mass number	278
neutron number	166
Relative Atomic Mass	278,164083 ± 0,00047 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	0
nuclear quadrupole moment	0
opdagelsesdato
Paritet	+

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

²⁷⁹Cn

mass number	279
neutron number	167
Relative Atomic Mass	279,166422 ± 0,000424 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato
Paritet

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

²⁸⁰Cn

mass number	280
neutron number	168
Relative Atomic Mass	280,167102 ± 0,000626 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	0
nuclear quadrupole moment	0
opdagelsesdato
Paritet	+

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

²⁸¹Cn

mass number	281
neutron number	169
Relative Atomic Mass	281,169563 ± 0,000427 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	180 ± 80 ms
spin
nuclear quadrupole moment
opdagelsesdato	2010
Paritet

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

²⁸²Cn

mass number	282
neutron number	170
Relative Atomic Mass	282,170507 ± 0,000588 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	1,1 ± 0,3 ms
spin	0
nuclear quadrupole moment	0
opdagelsesdato	2004
Paritet	+

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

²⁸³Cn

mass number	283
neutron number	171
Relative Atomic Mass	283,173202 ± 0,00066 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	4,7 ± 0,8 s
spin
nuclear quadrupole moment
opdagelsesdato	2004
Paritet

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

²⁸⁴Cn

mass number	284
neutron number	172
Relative Atomic Mass	284,17436 ± 0,000819 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	102 ± 17 ms
spin	0
nuclear quadrupole moment	0
opdagelsesdato	2004
Paritet	+

decay mode	Intensitet
SF (spontaneous fission)	100%

²⁸⁵Cn

mass number	285
neutron number	173
Relative Atomic Mass	285,177227 ± 0,000544 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	30 ± 8 s
spin
nuclear quadrupole moment
opdagelsesdato	2004
Paritet

decay mode	Intensitet
α (α emission)	100%

²⁸⁶Cn

mass number	286
neutron number	174
Relative Atomic Mass	286,178691 ± 0,000751 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	30 ± 30 s
spin	0
nuclear quadrupole moment	0
opdagelsesdato	2016
Paritet	+

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

²⁸⁷Cn

mass number	287
neutron number	175
Relative Atomic Mass	287,181826 ± 0,000751 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato
Paritet

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

²⁸⁸Cn

mass number	288
neutron number	176
Relative Atomic Mass	288,183501 ± 0,000751 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	0
nuclear quadrupole moment	0
opdagelsesdato
Paritet	+

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

historie

opdager eller opfinder	GSI Helmholtz Centre for Heavy Ion Research
fundsted	Germany
opdagelsesdato	1996
etymologi	Named in honor of the astronomer Nicolaus Copernicus.
udtale

source

Forekomst
Abundance in Earth's crust
natural abundance (verdenshave)
natural abundance (menneskelige krop)	0 %
natural abundance (Meteoroid)	0 %
natural abundance (Solen)	0 %
Abundance in Universe	0 %

Nuclear Screening Constants

Kopernicium on ChemicalAid

Australian Educational Vocabulary ID	scot/3590
CAS-nummer	54084-26-3
ChEBI-ID	33517
Den Store Danske-ID	copernicium
Encyclopedia of China ID (Second Edition)	249670
Encyclopædia Britannica Online-ID	science/copernicium
Freebase-ID	/m/025t_2_
French Vikidia ID	Copernicium
GND-identifikator	7550255-0
KBpedia ID	Copernicium
NE.se ID	ununbium
NE.se ID	copernicium
OmegaWiki-betydningsdefinition	368710
Store katalanske encyklopædi-ID	0251476
Store norske leksikon-ID	copernicium
Store russiske encyklopædi Online-ID	3287431
USGS Thesaurus ID	1604

Kopernicium (Cn)

Fysisk Egenskab

Kemisk Egenskab

øvrige

Isotopes of Copernicium

276Cn

277Cn

278Cn

279Cn

280Cn

281Cn

282Cn

283Cn

284Cn

285Cn

286Cn

287Cn

288Cn

historie

source

Nuclear Screening Constants

²⁷⁶Cn

²⁷⁷Cn

²⁷⁸Cn

²⁷⁹Cn

²⁸⁰Cn

²⁸¹Cn

²⁸²Cn

²⁸³Cn

²⁸⁴Cn

²⁸⁵Cn

²⁸⁶Cn

²⁸⁷Cn

²⁸⁸Cn