Copernici

Copernici (Cn)

chemical element with atomic number 112
Atomic Number112
Atomic Weight285
Rhif màs276
Group12
Period7
Blockd
Proton112 p+
Niwtron164 n0
Electron112 e-
Animated Bohr model of Cn (Copernici)

Nodwedd Ffisegol

Atomic Radius
molar volume
covalent radius
122 pm
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density

Nodwedd Gemegol

egni
proton affinity
electron affinity
ionization energy
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Electron
plisgyn yr electron2, 8, 18, 32, 32, 18, 2
Bohr model: Cn (Copernici)
valence electron2
Lewis structure: Cn (Copernici)
trefn yr electronnau[Rn] 5f14 6d10 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f14 6d10 7s2
Enhanced Bohr model of Cn (Copernici)
Orbital Diagram of Cn (Copernici)
Cyflwr ocsidiad2
Electronegatifedd
Electrophilicity Index
cyflwr sylfaenol mater
cyflwr materLiquid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
lliw
Colorless
appearance
Mynegrif plygiant
nodwedd ffisegol gwrthrych
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
dargludedd trydanol
Gwrthedd
superconductivity
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
strwythur
Crystal Structure ()
lattice constant
Lattice Angles
nodwedd mecanyddol deunyddiau
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
CategoryTransition metals, Transition metals
CAS GroupIIB
IUPAC GroupIIB
Glawe Number
Mendeleev Number80
Pettifor Number
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
28 ± 2 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
quantum number1S0
space group ()

Isotopes of Copernicium

Stable Isotopes0
Unstable Isotopes13
Natural Isotopes0

276Cn

Rhif màs276
neutron number164
relative atomic mass
276.161418 ± 0.000537 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod
parity+

decay modeintensity
α (α emission)
SF (spontaneous fission)

277Cn

Rhif màs277
neutron number165
relative atomic mass
277.163535 ± 0.000165 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
790 ± 330 us
spin
nuclear quadrupole moment
dyddiad darganfod1996
parity

decay modeintensity
α (α emission)100%

278Cn

Rhif màs278
neutron number166
relative atomic mass
278.164083 ± 0.00047 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod
parity+

decay modeintensity
α (α emission)
SF (spontaneous fission)

279Cn

Rhif màs279
neutron number167
relative atomic mass
279.166422 ± 0.000424 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

decay modeintensity
α (α emission)
SF (spontaneous fission)

280Cn

Rhif màs280
neutron number168
relative atomic mass
280.167102 ± 0.000626 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod
parity+

decay modeintensity
α (α emission)
SF (spontaneous fission)

281Cn

Rhif màs281
neutron number169
relative atomic mass
281.169563 ± 0.000427 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
180 ± 80 ms
spin
nuclear quadrupole moment
dyddiad darganfod2010
parity

decay modeintensity
α (α emission)100%
SF (spontaneous fission)

282Cn

Rhif màs282
neutron number170
relative atomic mass
282.170507 ± 0.000588 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1.1 ± 0.3 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod2004
parity+

decay modeintensity
SF (spontaneous fission)100%
α (α emission)

283Cn

Rhif màs283
neutron number171
relative atomic mass
283.173202 ± 0.00066 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
4.7 ± 0.8 s
spin
nuclear quadrupole moment
dyddiad darganfod2004
parity

decay modeintensity
α (α emission)81%
SF (spontaneous fission)19%

284Cn

Rhif màs284
neutron number172
relative atomic mass
284.17436 ± 0.000819 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
102 ± 17 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod2004
parity+

decay modeintensity
SF (spontaneous fission)100%

285Cn

Rhif màs285
neutron number173
relative atomic mass
285.177227 ± 0.000544 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
30 ± 8 s
spin
nuclear quadrupole moment
dyddiad darganfod2004
parity

decay modeintensity
α (α emission)100%

286Cn

Rhif màs286
neutron number174
relative atomic mass
286.178691 ± 0.000751 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
30 ± 30 s
spin0
nuclear quadrupole moment
0
dyddiad darganfod2016
parity+

decay modeintensity
α (α emission)100%
SF (spontaneous fission)

287Cn

Rhif màs287
neutron number175
relative atomic mass
287.181826 ± 0.000751 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

decay modeintensity
α (α emission)
SF (spontaneous fission)

288Cn

Rhif màs288
neutron number176
relative atomic mass
288.183501 ± 0.000751 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod
parity+

decay modeintensity
α (α emission)
SF (spontaneous fission)
Elektronskal 112

hanes

darganfyddwr neu ddyfeisiwrGSI Helmholtz Centre for Heavy Ion Research
man darganfodGermany
dyddiad darganfod1996
geirdarddiadNamed in honor of the astronomer Nicolaus Copernicus.
ynganiad

source

Abundance
Abundance in Earth's crust
natural abundance (cefnfor)
natural abundance (corff dynol)
0 %
natural abundance (Awyrfaen)
0 %
natural abundance (Haul)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants