Kalifornioa (Cf)

98 zenbaki atomikoa duen elementu kimikoa

Atomic Number	98
Atomic Weight	251
masa-zenbaki	237

Group
Period	7
Block	f

protoi	98 p⁺
neutroi	139 n⁰
elektroi	98 e^-

Animated Bohrren eredu atomikoa of Cf (Kalifornioa)

Propietate Fisiko

Erradio Atomiko
bolumen molar
Erradio Kobalente	168 pm 140 pm
Metallic Radius
Erradio ioniko	95 pm 82,1 pm 92 pm 112,6 pm
Crystal Radius	109 pm 96,1 pm 106 pm 126,6 pm
Van der Waalsen erradio	245 pm 331,3 pm
dentsitatea	15,1 g/cm³

Magnitude Fisiko

{ERROR}

energia

proton affinity
Afinitate elektroniko
ionizazio energia	6,2817 eV/particle 12 eV/particle 22,4 eV/particle 37,7 eV/particle 51,9 eV/particle 75 eV/particle 91 eV/particle 112,9 eV/particle 133 eV/particle 152 eV/particle 178 eV/particle 202 eV/particle 225 eV/particle 247 eV/particle 265 eV/particle 286 eV/particle 310 eV/particle 334 eV/particle 368 eV/particle 390 eV/particle 536 eV/particle 566 eV/particle 597 eV/particle 630 eV/particle 662 eV/particle 695 eV/particle 744 eV/particle 778 eV/particle 814 eV/particle 847 eV/particle 1.010 eV/particle 1.050 eV/particle 1.090 eV/particle 1.120 eV/particle 1.250 eV/particle 1.300 eV/particle 1.420 eV/particle 1.460 eV/particle 1.620 eV/particle 1.700 eV/particle 1.790 eV/particle 1.880 eV/particle 1.960 eV/particle 2.050 eV/particle 2.130 eV/particle 2.220 eV/particle 2.320 eV/particle 2.410 eV/particle 2.490 eV/particle 2.580 eV/particle 2.670 eV/particle 2.750 eV/particle 3.186 eV/particle 3.261 eV/particle 3.340 eV/particle 3.424 eV/particle 3.503 eV/particle 3.581 eV/particle 3.747 eV/particle 3.828 eV/particle 3.915 eV/particle 3.998 eV/particle 4.329 eV/particle 4.407 eV/particle 4.494 eV/particle 4.570 eV/particle 5.100 eV/particle 5.190 eV/particle 5.430 eV/particle 5.520 eV/particle 8.730 eV/particle 8.900 eV/particle 9.090 eV/particle 9.290 eV/particle 9.480 eV/particle 9.660 eV/particle 10.140 eV/particle 10.330 eV/particle 10.550 eV/particle 10.740 eV/particle 11.300 eV/particle 11.470 eV/particle 11.650 eV/particle 11.820 eV/particle 13.450 eV/particle 13.660 eV/particle 14.080 eV/particle 14.280 eV/particle 29.000 eV/particle 29.500 eV/particle 30.000 eV/particle 30.500 eV/particle 36.500 eV/particle 37.100 eV/particle 37.900 eV/particle 38.443,5 eV/particle 150.579,3 eV/particle 153.124 eV/particle

Irakite-entalpia
urtze-entalpia
formazio entalpia estandarra	196 kJ/mol
elektroi

elektroi geruza	2, 8, 18, 32, 28, 8, 2

balentzia-elektroi	2 ⓘ

electron configuration	[Rn] 5f¹⁰ 7s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f¹⁰ 7s²

Oxidazio-egoera	2, 3, 4, 5
Elektronegatibotasun	0.20369
Electrophilicity Index
materiaren funtsezko egoera

materiaren egoera
materiaren egoera gaseoso
Boiling Point
Melting Point	1.173,15 K
critical pressure
critical temperature
Puntu hirukoitz
appearance
kolore	Black #ffffff #a136d4 #a136d4
appearance	silvery
errefrakzio-indize
thermodynamic material property
Thermal Conductivity
Bero-dilatazio
molar heat capacity
Specific Heat Capacity
indize adiabatiko
electrical properties
type
Eroankortasun elektriko
Erresistibitate elektriko
Supereroankortasun
Magnetismo
type
suszeptibilitate magnetiko (Mass)
suszeptibilitate magnetiko (Molar)
suszeptibilitate magnetiko (Volume)
magnetic ordering
Curieren tenperatura
Néel temperature
egitura
Crystal Structure	{ERROR}
lattice constant
Lattice Angles	π/2, π/2, 2 π/3
materialen propietate mekaniko
Gogortasun
konprimagarritasun-modulu
Zizaila modulua
Youngen modulu
Poissonen modulu
Soinuaren lastertasun
classification
Category	Actinides, Actinides
CAS Group
IUPAC Group
Glawe Number	42
Mendeleev Number	32
Pettifor Number	39
Geochemical Class
Goldschmidt classification	synthetic

beste batzuk

Gas Basicity
polarizability	122 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section	2.900
Neutron Mass Absorption
zenbaki kuantiko	5I8
talde espazial	194 (P63/mmc)

Isotopes of Californium

Stable Isotopes	0
Unstable Isotopes	20
Natural Isotopes	0

²³⁷Cf

masa-zenbaki	237
neutron number	139
Atomo-Masa Erlatibo	237,062199272 ± 0,000104506 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	0,8 ± 0,2 s
spin	5/2
nuclear quadrupole moment
aurkikuntza-data	1995
parity	+

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

²³⁸Cf

masa-zenbaki	238
neutron number	140
Atomo-Masa Erlatibo	238,06149 ± 0,00032 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	21,1 ± 1,3 ms
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1995
parity	+

decay mode	intensity
SF (spontaneous fission)	97.5%
α (α emission)	2.5%

²³⁹Cf

masa-zenbaki	239
neutron number	141
Atomo-Masa Erlatibo	239,062482 ± 0,000129 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	28 ± 2 s
spin	5/2
nuclear quadrupole moment
aurkikuntza-data	1981
parity	+

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

²⁴⁰Cf

masa-zenbaki	240
neutron number	142
Atomo-Masa Erlatibo	240,062253447 ± 0,00001936 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	40,3 ± 0,9 s
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1970
parity	+

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

²⁴¹Cf

masa-zenbaki	241
neutron number	143
Atomo-Masa Erlatibo	241,06369 ± 0,00018 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	2,35 ± 0,18 m
spin	7/2
nuclear quadrupole moment
aurkikuntza-data	1970
parity	-

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

²⁴²Cf

masa-zenbaki	242
neutron number	144
Atomo-Masa Erlatibo	242,063754544 ± 0,00001384 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	3,49 ± 0,15 m
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1967
parity	+

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

²⁴³Cf

masa-zenbaki	243
neutron number	145
Atomo-Masa Erlatibo	243,065475 ± 0,000194 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	10,8 ± 0,3 m
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	1967
parity	+

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

²⁴⁴Cf

masa-zenbaki	244
neutron number	146
Atomo-Masa Erlatibo	244,065999447 ± 0,000002809 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	19,5 ± 0,5 m
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1956
parity	+

decay mode	intensity
α (α emission)	75%
ϵ (electron capture)	25%

²⁴⁵Cf

masa-zenbaki	245
neutron number	147
Atomo-Masa Erlatibo	245,068046755 ± 0,000002606 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	45 ± 1,5 m
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	1956
parity	+

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

²⁴⁶Cf

masa-zenbaki	246
neutron number	148
Atomo-Masa Erlatibo	246,068803685 ± 0,000001625 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	35,7 ± 0,5 h
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1951
parity	+

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

²⁴⁷Cf

masa-zenbaki	247
neutron number	149
Atomo-Masa Erlatibo	247,070971348 ± 0,00001538 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	3,11 ± 0,03 h
spin	7/2
nuclear quadrupole moment
aurkikuntza-data	1954
parity	+

decay mode	intensity
ϵ (electron capture)	99.965%
α (α emission)	0.035%

²⁴⁸Cf

masa-zenbaki	248
neutron number	150
Atomo-Masa Erlatibo	248,072182905 ± 0,000005497 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	333,5 ± 2,8 d
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1954
parity	+

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)	0.0029%

²⁴⁹Cf

masa-zenbaki	249
neutron number	151
Atomo-Masa Erlatibo	249,074850428 ± 0,000001269 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	351 ± 2 y
spin	9/2
nuclear quadrupole moment
aurkikuntza-data	1954
parity	-

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)	5%

²⁵⁰Cf

masa-zenbaki	250
neutron number	152
Atomo-Masa Erlatibo	250,076404494 ± 0,00000165 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	13,08 ± 0,09 y
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1954
parity	+

decay mode	intensity
α (α emission)	99.923%
SF (spontaneous fission)	0.077%

²⁵¹Cf

masa-zenbaki	251
neutron number	153
Atomo-Masa Erlatibo	251,079587171 ± 0,000004187 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	898 ± 44 y
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	1954
parity	+

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

²⁵²Cf

masa-zenbaki	252
neutron number	154
Atomo-Masa Erlatibo	252,081626507 ± 0,000002531 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	2,645 ± 0,008 y
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1954
parity	+

decay mode	intensity
α (α emission)	96.8972%
SF (spontaneous fission)	3.1028%

²⁵³Cf

masa-zenbaki	253
neutron number	155
Atomo-Masa Erlatibo	253,085133723 ± 0,00000457 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	17,81 ± 0,08 d
spin	7/2
nuclear quadrupole moment
aurkikuntza-data	1954
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	99.69%
α (α emission)	0.31%

²⁵⁴Cf

masa-zenbaki	254
neutron number	156
Atomo-Masa Erlatibo	254,087323575 ± 0,000012304 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	60,5 ± 0,2 d
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1955
parity	+

decay mode	intensity
SF (spontaneous fission)	99.69%
α (α emission)	0.31%
2β⁻ (double β⁻ decay)

²⁵⁵Cf

masa-zenbaki	255
neutron number	157
Atomo-Masa Erlatibo	255,091046 ± 0,000215 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	85 ± 18 m
spin	7/2
nuclear quadrupole moment
aurkikuntza-data	1981
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
SF (spontaneous fission)
α (α emission)

²⁵⁶Cf

masa-zenbaki	256
neutron number	158
Atomo-Masa Erlatibo	256,093442 ± 0,000338 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	12,3 ± 1,2 m
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1980
parity	+

decay mode	intensity
SF (spontaneous fission)	100%
α (α emission)
2β⁻ (double β⁻ decay)

historia

aurkitzailea edo asmatzailea	G.T.Seaborg, S.G.Tompson, A.Ghiorso, K.Street Jr.
aurkikuntzaren lekua	United States
aurkikuntza-data	1950
etimologia	Named after the state and University of California.
pronunciation	kal-eh-FOR-ni-em (ingelesa)

source

Abundance
Abundance in Earth's crust
natural abundance (ozeano)
natural abundance (gizakiaren gorputza)	0 %
natural abundance (Meteoroide)	0 %
natural abundance (Eguzkia)	0 %
Abundance in Universe	0 %

Nuclear Screening Constants

Kalifornioa on ChemicalAid

Kalifornioa (Cf)

Propietate Fisiko

Magnitude Fisiko

beste batzuk

Isotopes of Californium

237Cf

238Cf

239Cf

240Cf

241Cf

242Cf

243Cf

244Cf

245Cf

246Cf

247Cf

248Cf

249Cf

250Cf

251Cf

252Cf

253Cf

254Cf

255Cf

256Cf

historia

source

Nuclear Screening Constants

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