Калифорни

Калифорни (Cf)

химийн элемент
Atomic Number98
Atomic Weight251
жингийн тоо237
Group
Period7
Blockf
Протон98 p+
Нейтрон139 n0
Электрон98 e-
Animated Bohr model of Cf (Калифорни)

Physical Property

Atomic Radius
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density

Chemical Property

энерги
proton affinity
electron affinity
ionization energy
ionization energy of Cf (Калифорни)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Электрон
electron shell2, 8, 18, 32, 28, 8, 2
Bohr model: 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 Bohr model of Cf (Калифорни)
Orbital Diagram of Cf (Калифорни)
Исэлдэлтийн зэрэг2, 3, 4, 5
Цахилгаан сөрөг чанар
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
Гурван фазын цэг
appearance
Өнгө
Colorless
appearancesilvery
Хугалах илтгэгч
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
electrical conductivity
electrical resistivity
Хэт дамжуулагч
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal StructureSimple Hexagonal ()
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Хатуулаг
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Дууны хурд
classification
CategoryActinides, Actinides
CAS Group
IUPAC Group
Glawe Number42
Mendeleev Number32
Pettifor Number39
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
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

жингийн тоо237
neutron number139
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
0.8 ± 0.2 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1995
parity+

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

238Cf

жингийн тоо238
neutron number140
Relative Atomic Mass
g-factor
0
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
21.1 ± 1.3 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1995
parity+

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

239Cf

жингийн тоо239
neutron number141
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
28 ± 2 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1981
parity+

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

240Cf

жингийн тоо240
neutron number142
Relative Atomic Mass
g-factor
0
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
40.3 ± 0.9 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1970
parity+

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

241Cf

жингийн тоо241
neutron number143
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
2.35 ± 0.18 m
spin7/2
nuclear quadrupole moment
time of discovery or invention1970
parity-

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

242Cf

жингийн тоо242
neutron number144
Relative Atomic Mass
g-factor
0
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
3.49 ± 0.15 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1967
parity+

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

243Cf

жингийн тоо243
neutron number145
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
10.8 ± 0.3 m
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1967
parity+

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

244Cf

жингийн тоо244
neutron number146
Relative Atomic Mass
g-factor
0
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
19.5 ± 0.5 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1956
parity+

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

245Cf

жингийн тоо245
neutron number147
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
45 ± 1.5 m
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1956
parity+

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

246Cf

жингийн тоо246
neutron number148
Relative Atomic Mass
g-factor
0
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
35.7 ± 0.5 h
spin0
nuclear quadrupole moment
0
time of discovery or invention1951
parity+

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

247Cf

жингийн тоо247
neutron number149
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
3.11 ± 0.03 h
spin7/2
nuclear quadrupole moment
time of discovery or invention1954
parity+

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

248Cf

жингийн тоо248
neutron number150
Relative Atomic Mass
g-factor
0
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
333.5 ± 2.8 d
spin0
nuclear quadrupole moment
0
time of discovery or invention1954
parity+

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

249Cf

жингийн тоо249
neutron number151
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
351 ± 2 y
spin9/2
nuclear quadrupole moment
time of discovery or invention1954
parity-

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

250Cf

жингийн тоо250
neutron number152
Relative Atomic Mass
g-factor
0
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
13.08 ± 0.09 y
spin0
nuclear quadrupole moment
0
time of discovery or invention1954
parity+

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

251Cf

жингийн тоо251
neutron number153
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
898 ± 44 y
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1954
parity+

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

252Cf

жингийн тоо252
neutron number154
Relative Atomic Mass
g-factor
0
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
2.645 ± 0.008 y
spin0
nuclear quadrupole moment
0
time of discovery or invention1954
parity+

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

253Cf

жингийн тоо253
neutron number155
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
17.81 ± 0.08 d
spin7/2
nuclear quadrupole moment
time of discovery or invention1954
parity+

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

254Cf

жингийн тоо254
neutron number156
Relative Atomic Mass
g-factor
0
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
60.5 ± 0.2 d
spin0
nuclear quadrupole moment
0
time of discovery or invention1955
parity+

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

255Cf

жингийн тоо255
neutron number157
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
85 ± 18 m
spin7/2
nuclear quadrupole moment
time of discovery or invention1981
parity+

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

256Cf

жингийн тоо256
neutron number158
Relative Atomic Mass
g-factor
0
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
12.3 ± 1.2 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1980
parity+

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

түүх

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 (англи)

source

Abundance
Abundance in Earth's crust
natural abundance (Далай)
natural abundance (Хүний бие)
0 %
natural abundance (Солир)
0 %
natural abundance (Нар)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants