Калифорни

Калифорни (Cf)

chemical element with the atomic number of 98
Atomic Number98
Atomic Weight251
mass number237
Group
Period7
Blockf
Протон98 p+
Нейтрон139 n0
Электрон98 e-
Animated Атăмăн Бор моделĕ of Cf (Калифорни)

Физикăлла Палăрăм

Атом Радиусĕ
molar volume
Ковалентла радиус
168 pm
Metallic Radius
ionic radius
95 pm
Crystal Radius
109 pm
Van der Waals radius
245 pm
density
15,1 g/cm³

Chemical Property

Энерги
proton affinity
electron affinity
ionization energy
6,2817 eV/particle
ionization energy of Cf (Калифорни)
Пăсланнин тата конденсациленнин пайлавла ăшши
Шăраннин пайлавла ăшши
standard enthalpy of formation
196 kJ/mol
Электрон
electron shell2, 8, 18, 32, 28, 8, 2
Атăмăн Бор моделĕ: Cf (Калифорни)
valence electron2 ⓘ
Lewis structure: Cf (Калифорни)
electron configuration[Rn] 5f10 7s2ⓘ
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f10 7s2
Enhanced Атăмăн Бор моделĕ of Cf (Калифорни)
Orbital Diagram of Cf (Калифорни)
Оксидлав капашĕ2, 3, 4, 5
Электронегативлăх
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
1 173,15 K
critical pressure
critical temperature
Виççĕлле пăнчă
appearance
Тӗс
Colorless
appearancesilvery
Хуçăлу кăтартăшĕ
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
electrical conductivity
Пайлавла электро хирĕçтăру
superconductivity
Магнетизм
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal StructureSimple Hexagonal ()
Решетке константти
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
bulk modulus
shear modulus
Юнг модулĕ
Poisson's ratio
Сасă хăвăртлăхĕ
classification
CategoryActinides, Actinides
CAS Group
IUPAC Group
Glawe Number42
Mendeleev Number32
Pettifor Number39
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
Поляризациленеслĕх
122 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
2 900
Neutron Mass Absorption
quantum number5I8
space group194 (P63/mmc)

Isotopes of Californium

Stable Isotopes0
Unstable Isotopes20
Natural Isotopes0

237Cf

mass number237
neutron number139
Relative Atomic Mass
237,062199272 ± 0,000104506 Da
g-factor
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
0,8 ± 0,2 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1995
Ыт-тĕкел (физика)+
decay modeintensity
α (α emission)70%
SF (spontaneous fission)30%
β+ (β+ decay; β+ = ϵ + e+)

238Cf

mass number238
neutron number140
Relative Atomic Mass
238,06149 ± 0,00032 Da
g-factor
0
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
21,1 ± 1,3 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1995
Ыт-тĕкел (физика)+
decay modeintensity
SF (spontaneous fission)97.5%
α (α emission)2.5%

239Cf

mass number239
neutron number141
Relative Atomic Mass
239,062482 ± 0,000129 Da
g-factor
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
28 ± 2 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1981
Ыт-тĕкел (физика)+
decay modeintensity
α (α emission)65%
β+ (β+ decay; β+ = ϵ + e+)

240Cf

mass number240
neutron number142
Relative Atomic Mass
240,062253447 ± 0,00001936 Da
g-factor
0
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
40,3 ± 0,9 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1970
Ыт-тĕкел (физика)+
decay modeintensity
α (α emission)98.5%
SF (spontaneous fission)1.5%
β+ (β+ decay; β+ = ϵ + e+)

241Cf

mass number241
neutron number143
Relative Atomic Mass
241,06369 ± 0,00018 Da
g-factor
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
2,35 ± 0,18 m
spin7/2
nuclear quadrupole moment
time of discovery or invention1970
Ыт-тĕкел (физика)-
decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)15%

242Cf

mass number242
neutron number144
Relative Atomic Mass
242,063754544 ± 0,00001384 Da
g-factor
0
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
3,49 ± 0,15 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1967
Ыт-тĕкел (физика)+
decay modeintensity
α (α emission)61%
β+ (β+ decay; β+ = ϵ + e+)39%
SF (spontaneous fission)0.014%

243Cf

mass number243
neutron number145
Relative Atomic Mass
243,065475 ± 0,000194 Da
g-factor
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
10,8 ± 0,3 m
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1967
Ыт-тĕкел (физика)+
decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)86%
α (α emission)14%

244Cf

mass number244
neutron number146
Relative Atomic Mass
244,065999447 ± 0,000002809 Da
g-factor
0
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
19,5 ± 0,5 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1956
Ыт-тĕкел (физика)+
decay modeintensity
α (α emission)75%
ϵ (electron capture)25%

245Cf

mass number245
neutron number147
Relative Atomic Mass
245,068046755 ± 0,000002606 Da
g-factor
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
45 ± 1,5 m
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1956
Ыт-тĕкел (физика)+
decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)64.7%
α (α emission)35.3%

246Cf

mass number246
neutron number148
Relative Atomic Mass
246,068803685 ± 0,000001625 Da
g-factor
0
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
35,7 ± 0,5 h
spin0
nuclear quadrupole moment
0
time of discovery or invention1951
Ыт-тĕкел (физика)+
decay modeintensity
α (α emission)100%
SF (spontaneous fission)2.4%
ϵ (electron capture)

247Cf

mass number247
neutron number149
Relative Atomic Mass
247,070971348 ± 0,00001538 Da
g-factor
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
3,11 ± 0,03 h
spin7/2
nuclear quadrupole moment
time of discovery or invention1954
Ыт-тĕкел (физика)+
decay modeintensity
ϵ (electron capture)99.965%
α (α emission)0.035%

248Cf

mass number248
neutron number150
Relative Atomic Mass
248,072182905 ± 0,000005497 Da
g-factor
0
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
333,5 ± 2,8 d
spin0
nuclear quadrupole moment
0
time of discovery or invention1954
Ыт-тĕкел (физика)+
decay modeintensity
α (α emission)100%
SF (spontaneous fission)0.0029%

249Cf

mass number249
neutron number151
Relative Atomic Mass
249,074850428 ± 0,000001269 Da
g-factor
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
351 ± 2 y
spin9/2
nuclear quadrupole moment
time of discovery or invention1954
Ыт-тĕкел (физика)-
decay modeintensity
α (α emission)100%
SF (spontaneous fission)5%

250Cf

mass number250
neutron number152
Relative Atomic Mass
250,076404494 ± 0,00000165 Da
g-factor
0
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
13,08 ± 0,09 y
spin0
nuclear quadrupole moment
0
time of discovery or invention1954
Ыт-тĕкел (физика)+
decay modeintensity
α (α emission)99.923%
SF (spontaneous fission)0.077%

251Cf

mass number251
neutron number153
Relative Atomic Mass
251,079587171 ± 0,000004187 Da
g-factor
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
898 ± 44 y
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1954
Ыт-тĕкел (физика)+
decay modeintensity
α (α emission)100%
SF (spontaneous fission)

252Cf

mass number252
neutron number154
Relative Atomic Mass
252,081626507 ± 0,000002531 Da
g-factor
0
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
2,645 ± 0,008 y
spin0
nuclear quadrupole moment
0
time of discovery or invention1954
Ыт-тĕкел (физика)+
decay modeintensity
α (α emission)96.8972%
SF (spontaneous fission)3.1028%

253Cf

mass number253
neutron number155
Relative Atomic Mass
253,085133723 ± 0,00000457 Da
g-factor
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
17,81 ± 0,08 d
spin7/2
nuclear quadrupole moment
time of discovery or invention1954
Ыт-тĕкел (физика)+
decay modeintensity
β− (β− decay)99.69%
α (α emission)0.31%

254Cf

mass number254
neutron number156
Relative Atomic Mass
254,087323575 ± 0,000012304 Da
g-factor
0
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
60,5 ± 0,2 d
spin0
nuclear quadrupole moment
0
time of discovery or invention1955
Ыт-тĕкел (физика)+
decay modeintensity
SF (spontaneous fission)99.69%
α (α emission)0.31%
2β− (double β− decay)

255Cf

mass number255
neutron number157
Relative Atomic Mass
255,091046 ± 0,000215 Da
g-factor
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
85 ± 18 m
spin7/2
nuclear quadrupole moment
time of discovery or invention1981
Ыт-тĕкел (физика)+
decay modeintensity
β− (β− decay)100%
SF (spontaneous fission)
α (α emission)

256Cf

mass number256
neutron number158
Relative Atomic Mass
256,093442 ± 0,000338 Da
g-factor
0
natural abundance
Радиоактивлă аркану☢️ radioactive element
Çурма аркану тапхăрĕ
12,3 ± 1,2 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1980
Ыт-тĕкел (физика)+
decay modeintensity
SF (spontaneous fission)100%
α (α emission)
2β− (double β− decay)
Californium

истори

discoverer or inventorG.T.Seaborg, S.G.Tompson, A.Ghiorso, K.Street Jr.
location of discoveryUnited States
time of discovery or invention1950
etymologyNamed after the state and University of California.
pronunciationkal-eh-FOR-ni-em (акӑлчан)

source

Abundance
Abundance in Earth's crust
natural abundance (океан)
natural abundance (Этем ӳт-пĕвĕ)
0 %
natural abundance (meteoroid)
0 %
natural abundance (Хĕвел)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants

Калифорни on ChemicalAid