Calafoirniam

Calafoirniam (Cf)

chemical element with the atomic number of 98
Atomic Number98
Atomic Weight251
Núicléónuimhir237
Group
Period7
Blockf
prótón98 p+
neodrón139 n0
leictreon98 e-
Animated Samhail Bohr of Cf (Calafoirniam)

Physical Property

Ga Adamhach
molar volume
covalent radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
dlús

Chemical Property

fuinneamh
proton affinity
electron affinity
ionization energy
ionization energy of Cf (Calafoirniam)
enthalpy of vaporization
enthalpy of fusion
eantalpacht chaighdeánach an fhoirmithe
leictreon
electron shell2, 8, 18, 32, 28, 8, 2
Samhail Bohr: Cf (Calafoirniam)
Fiúsleictreon2
Struchtúr Lewis: Cf (Calafoirniam)
cumraíocht leictreon[Rn] 5f10 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f10 7s2
Enhanced Samhail Bohr of Cf (Calafoirniam)
Orbital Diagram of Cf (Calafoirniam)
Staid ocsaídiúcháine2, 3, 4, 5
Leictridhiúltacht
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
dath
Colorless
appearancesilvery
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 StructureSimple Hexagonal ()
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
airíonna meicniúla
Cruas
Modal toirte
modal fiartha
modal Young
Cóimheas Poisson
luas forleata fuaime
aicmiúchán
CategoryActinides, Actinides
CAS Group
IUPAC Group
Glawe Number42
Mendeleev Number32
Pettifor Number39
Geochemical Class
Goldschmidt classificationsynthetic

eile

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Crosghearradh
2,900
Neutron Mass Absorption
Uimhir chandamach5I8
space group194 (P63/mmc)

Isotopes of Californium

Stable Isotopes0
Unstable Isotopes20
Natural Isotopes0

237Cf

Núicléónuimhir237
neutron number139
Mais Adamhach Choibhneasta
G-fhachtóir
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
0.8 ± 0.2 s
Guairne5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh1995
Paireacht+

decay modeintensity
α (α emission)70%
SF (spontaneous fission)30%
β+ (β+ decay; β+ = ϵ + e+)

238Cf

Núicléónuimhir238
neutron number140
Mais Adamhach Choibhneasta
G-fhachtóir
0
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
21.1 ± 1.3 ms
Guairne0
nuclear quadrupole moment
0
dáta fionnachtana nó tionscnaimh1995
Paireacht+

decay modeintensity
SF (spontaneous fission)97.5%
α (α emission)2.5%

239Cf

Núicléónuimhir239
neutron number141
Mais Adamhach Choibhneasta
G-fhachtóir
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
28 ± 2 s
Guairne5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh1981
Paireacht+

decay modeintensity
α (α emission)65%
β+ (β+ decay; β+ = ϵ + e+)

240Cf

Núicléónuimhir240
neutron number142
Mais Adamhach Choibhneasta
G-fhachtóir
0
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
40.3 ± 0.9 s
Guairne0
nuclear quadrupole moment
0
dáta fionnachtana nó tionscnaimh1970
Paireacht+

decay modeintensity
α (α emission)98.5%
SF (spontaneous fission)1.5%
β+ (β+ decay; β+ = ϵ + e+)

241Cf

Núicléónuimhir241
neutron number143
Mais Adamhach Choibhneasta
G-fhachtóir
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
2.35 ± 0.18 m
Guairne7/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh1970
Paireacht-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)15%

242Cf

Núicléónuimhir242
neutron number144
Mais Adamhach Choibhneasta
G-fhachtóir
0
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
3.49 ± 0.15 m
Guairne0
nuclear quadrupole moment
0
dáta fionnachtana nó tionscnaimh1967
Paireacht+

decay modeintensity
α (α emission)61%
β+ (β+ decay; β+ = ϵ + e+)39%
SF (spontaneous fission)0.014%

243Cf

Núicléónuimhir243
neutron number145
Mais Adamhach Choibhneasta
G-fhachtóir
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
10.8 ± 0.3 m
Guairne1/2
nuclear quadrupole moment
0
dáta fionnachtana nó tionscnaimh1967
Paireacht+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)86%
α (α emission)14%

244Cf

Núicléónuimhir244
neutron number146
Mais Adamhach Choibhneasta
G-fhachtóir
0
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
19.5 ± 0.5 m
Guairne0
nuclear quadrupole moment
0
dáta fionnachtana nó tionscnaimh1956
Paireacht+

decay modeintensity
α (α emission)75%
ϵ (electron capture)25%

245Cf

Núicléónuimhir245
neutron number147
Mais Adamhach Choibhneasta
G-fhachtóir
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
45 ± 1.5 m
Guairne1/2
nuclear quadrupole moment
0
dáta fionnachtana nó tionscnaimh1956
Paireacht+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)64.7%
α (α emission)35.3%

246Cf

Núicléónuimhir246
neutron number148
Mais Adamhach Choibhneasta
G-fhachtóir
0
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
35.7 ± 0.5 h
Guairne0
nuclear quadrupole moment
0
dáta fionnachtana nó tionscnaimh1951
Paireacht+

decay modeintensity
α (α emission)100%
SF (spontaneous fission)2.4%
ϵ (electron capture)

247Cf

Núicléónuimhir247
neutron number149
Mais Adamhach Choibhneasta
G-fhachtóir
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
3.11 ± 0.03 h
Guairne7/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh1954
Paireacht+

decay modeintensity
ϵ (electron capture)99.965%
α (α emission)0.035%

248Cf

Núicléónuimhir248
neutron number150
Mais Adamhach Choibhneasta
G-fhachtóir
0
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
333.5 ± 2.8 d
Guairne0
nuclear quadrupole moment
0
dáta fionnachtana nó tionscnaimh1954
Paireacht+

decay modeintensity
α (α emission)100%
SF (spontaneous fission)0.0029%

249Cf

Núicléónuimhir249
neutron number151
Mais Adamhach Choibhneasta
G-fhachtóir
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
351 ± 2 y
Guairne9/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh1954
Paireacht-

decay modeintensity
α (α emission)100%
SF (spontaneous fission)5%

250Cf

Núicléónuimhir250
neutron number152
Mais Adamhach Choibhneasta
G-fhachtóir
0
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
13.08 ± 0.09 y
Guairne0
nuclear quadrupole moment
0
dáta fionnachtana nó tionscnaimh1954
Paireacht+

decay modeintensity
α (α emission)99.923%
SF (spontaneous fission)0.077%

251Cf

Núicléónuimhir251
neutron number153
Mais Adamhach Choibhneasta
G-fhachtóir
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
898 ± 44 y
Guairne1/2
nuclear quadrupole moment
0
dáta fionnachtana nó tionscnaimh1954
Paireacht+

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

252Cf

Núicléónuimhir252
neutron number154
Mais Adamhach Choibhneasta
G-fhachtóir
0
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
2.645 ± 0.008 y
Guairne0
nuclear quadrupole moment
0
dáta fionnachtana nó tionscnaimh1954
Paireacht+

decay modeintensity
α (α emission)96.8972%
SF (spontaneous fission)3.1028%

253Cf

Núicléónuimhir253
neutron number155
Mais Adamhach Choibhneasta
G-fhachtóir
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
17.81 ± 0.08 d
Guairne7/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh1954
Paireacht+

decay modeintensity
β (β decay)99.69%
α (α emission)0.31%

254Cf

Núicléónuimhir254
neutron number156
Mais Adamhach Choibhneasta
G-fhachtóir
0
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
60.5 ± 0.2 d
Guairne0
nuclear quadrupole moment
0
dáta fionnachtana nó tionscnaimh1955
Paireacht+

decay modeintensity
SF (spontaneous fission)99.69%
α (α emission)0.31%
(double β decay)

255Cf

Núicléónuimhir255
neutron number157
Mais Adamhach Choibhneasta
G-fhachtóir
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
85 ± 18 m
Guairne7/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh1981
Paireacht+

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

256Cf

Núicléónuimhir256
neutron number158
Mais Adamhach Choibhneasta
G-fhachtóir
0
natural abundance
Meath radaighníomhach☢️ radioactive element
leathré
12.3 ± 1.2 m
Guairne0
nuclear quadrupole moment
0
dáta fionnachtana nó tionscnaimh1980
Paireacht+

decay modeintensity
SF (spontaneous fission)100%
α (α emission)
(double β decay)
Californium

stair

fionnachtaí nó aireagóirG.T.Seaborg, S.G.Tompson, A.Ghiorso, K.Street Jr.
áit ar tháinig air/uirthiUnited States
dáta fionnachtana nó tionscnaimh1950
SanasaíochtNamed after the state and University of California.
pronunciationkal-eh-FOR-ni-em (Béarla)

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